Top 19 Hotels With Indoor Pools in Milwaukee, WI
Milwaukee is a “four seasons” city in the most honest sense. Summer brings lakefront energy and patio weather, but winter shows up with cold air, cloudy skies, and the kind of wind that makes you question your life choices for about five seconds. January highs hover around the low 30s, which is exactly why an indoor pool turns a regular hotel stay into a real treat.
An indoor-pool hotel in Milwaukee is the sweet spot for a year-round getaway. You can do the fun city stuff, like the Milwaukee Art Museum, Harley-Davidson Museum, or a lap around the Milwaukee Public Market, then come back and warm up with a swim that does not require bravery or a parka.
Here are the top 19 hotels with indoor pools in Milwaukee, WI that make it easy to pull off a staycation that still feels like a proper escape.
Top Places to Stay in Milwaukee, WI
| Hotel | Reviews |
|---|---|
| Flexhome Brewery District M2 - FiservGymParking 1009 W Juneau Ave Unit 310, Milwaukee, 53233, United States of America | 97 |
| Kinn Guesthouse Downtown 600 North Broadway, Milwaukee, WI 53202, United States of America | 291 |
| Cozy Garden Apartment in Eclectic Riverwest 3062 North Fratney Street, Milwaukee, WI 53212, United States of America | 74 |
| Flexhome East Side 1BR E5 - BradySt Balcony Lounge 1632 North Franklin Place Unit 317, Milwaukee, 53202, United States of America | 103 |
| Drury Plaza Hotel Milwaukee Downtown 700 North Water Street, Milwaukee, WI 53202, United States of America | 1,323 |
| The Pfister Hotel 424 East Wisconsin Avenue, Milwaukee, 53202, United States of America | 616 |
| Home2 Suites by Hilton Milwaukee Airport 5880 South Howell Avenue , Milwaukee, WI 53207, United States of America | 273 |
| Saint Kate - The Arts Hotel 139 East Kilbourn Avenue, Milwaukee, WI 53202, United States of America | 263 |
| Journal Commons 325 Luxurious Cozy 1BR near Historic Third Ward 333 West State Street APT#325, Milwaukee, 53203, United States of America | 35 |
| Kasa Westown Milwaukee Milwaukee, WI 53233, United States of America | 106 |
| The Iron Horse Hotel 500 West Florida Street, Milwaukee, WI 53204, United States of America | 269 |
| Kinn Guesthouse Bay View 2535 South Kinnickinnic Avenue, Milwaukee, WI 53207, United States of America | 73 |
| Journal Commons 335 Modern Luxury 1BR w view of Fiserv Forum 333 West State Street APT #335, Milwaukee, 53203, United States of America | 31 |
| Brewhouse Inn and Suites 1215 North 10th Street, Milwaukee, WI 53205, United States of America | 421 |
| The Muse Gallery Guesthouse 602 East Lincoln Avenue, Milwaukee, WI 53207, United States of America | 32 |
| Journal Commons 331 Designer Luxe 1BR in Historic West Town Fast WI-FI 333 West State Street APT#331, Milwaukee, 53203, United States of America | 22 |
| Hyatt Place Milwaukee Downtown 800 W. Juneau Avenue, Milwaukee, 53233, United States of America | 1,050 |
| The Plaza Hotel - Milwaukee 1007 North Cass Street, Milwaukee, WI 53202, United States of America | 536 |
| Residence Inn Milwaukee Downtown 648 North Plankinton Avenue, Milwaukee, WI 53203, United States of America | 151 |
| Milwaukee Marriott Downtown 323 East Wisconsin Avenue, Milwaukee, WI 53202, United States of America | 95 |
| The Goatel - 1 bdrm apartment 326 West Florida Street 502, Milwaukee, WI 53204, United States of America | 17 |
| Hilton Garden Inn Milwaukee Downtown 611 North Broadway, Milwaukee, WI 53202, United States of America | 268 |
| Hilton Garden Inn Milwaukee Airport 5890 South Howell Avenue, Milwaukee, WI 53207, United States of America | 266 |
| Flexhome Skywalk to Fiserv U5 RooftopGymParking 550 W Juneau Ave , Milwaukee, 53203, United States of America | 23 |
| The Westin Milwaukee 550 N Van Buren Street, Milwaukee, 53202, United States of America | 126 |
| Homewood Suites By Hilton Milwaukee Downtown 500 N. Water Street , Milwaukee, WI 53202, United States of America | 196 |
| Schuster Mansion Bed & Breakfast 3209 West Wells Street, Milwaukee, WI 53208, United States of America | 97 |
| The Trade, Autograph Collection 420 West Juneau Avenue, Milwaukee, WI 53203, United States of America | 21 |
| Chic Milwaukee Apartment in Hip Neighborhood! Milwaukee, 53212-2632, United States of America | 13 |
| SpringHill Suites by Marriott Milwaukee Downtown 744 Vel R Phillips Avenue, Milwaukee, WI 53203, United States of America | 612 |
| Kimpton Journeyman Hotel, an IHG Hotel 310 E Chicago Street, Milwaukee, WI 53202, United States of America | 103 |
| FRONTDESK 1600 N Jackson St Apts Lower East Side Milwaukee Milwaukee, WI 53202, United States of America | 28 |
| Flexhome Skywalk to Fiserv U3 RooftopGymParking 550 W Juneau Ave Unit 604, Milwaukee, 53203, United States of America | 10 |
| Hotel Metro, Autograph Collection 411 East Mason Street, Milwaukee, WI 53202, United States of America | 40 |
| Journal Commons 427 MKEs Upperclass Panther Stad Fast WIFI Gym 333 West State Street apt 427, Milwaukee, 53203, United States of America | 9 |
| The Bentley Condotel in Historic Walker’s Point w/ Garage + Yard 514 South 6th Street, Milwaukee, WI 53204, United States of America | 10 |
| Large Private 3 Br Home with Porch and Ideal Location 1315 East Kane Place, Milwaukee, WI 53202, United States of America | 20 |
| Hyatt Place Milwaukee Airport 200 West Grange Avenue, Milwaukee, WI 53207, United States of America | 593 |
| The Bentley Condotel, Heart of Walkers Point with Garage, Yard 516 South 6th Street, Milwaukee, WI 53204, United States of America | 8 |
| DoubleTree by Hilton Milwaukee Downtown 611 West Wisconsin Avenue, Milwaukee, WI 53203, United States of America | 515 |
| Comfortable 3 BR Craftsman Bungalow in Milwaukee's Bay View Neighborhood 811 East Otjen Street, Milwaukee, WI 53207, United States of America | 12 |
| Flexhome Brewery District M11-FiservGymParking 1009 W Juneau Ave Unit 317, Milwaukee, 53233, United States of America | 9 |
| Milwaukee Home Less Than Half Mi to Lake Michigan! Milwaukee, 53211-4250, United States of America | 12 |
| Cute yellow 2-BR bungalow w/free garage, free WiFi 1931 East Hillcrest Avenue, Milwaukee, WI 53207, United States of America | 7 |
| Flexhome East Side 1BR E1 - Brady St, Balcony, & Lounge 1632 N Franklin Pl Unit 204, Milwaukee, 53202, United States of America | 8 |
| Ambassador Hotel Milwaukee, Trademark Collection by Wyndham 2308 West Wisconsin Avenue, Milwaukee, WI 53233, United States of America | 574 |
| Flexhome Marquette Vintage 2BR MP6 1425 W Kilbourn Ave, Milwaukee, WI 53233, USA, Milwaukee, 53233, United States of America | 5 |
| Brewery District EL14 Fiserv Gym Parking 1125 N 9th St, Milwaukee, WI 53233, USA, Milwaukee, 53233, United States of America | 5 |
| Lovely Milwaukee Condo, Walk to Lake Michigan Milwaukee, 53207-2511, United States of America | 7 |
| Flexhome Brewery District M4 - FiservGymParking 1009 W Juneau Ave Unit 306, Milwaukee, 53233, United States of America | 5 |
19 Hotels With Indoor Pools in Milwaukee, WI
1. The Pfister Hotel
The Pfister Hotel earns 9.1/10 from 616+ recent reviews and sits at 424 East Wisconsin Avenue, Milwaukee, 53202.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, an on-site bar, and accessibility features.
Pets allowed — check fees/weight rules; typical check-in From 3:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
2. Home2 Suites by Hilton Milwaukee Airport
Home2 Suites by Hilton Milwaukee Airport earns 9.2/10 from 273+ recent reviews and sits at 5880 South Howell Avenue, Milwaukee, WI 53207.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, family rooms, and accessibility features.
Pets allowed — check fees/weight rules; minimum check-in age 21; typical check-in From 3:00 PM to 11:30 PM, check-out From 12:00 AM to 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
3. Hilton Garden Inn Milwaukee Airport
Hilton Garden Inn Milwaukee Airport earns 8.6/10 from 266+ recent reviews and sits at 5890 South Howell Avenue, Milwaukee, WI 53207.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, and an on-site bar.
Pets not allowed; typical check-in From 3:00 PM, check-out Until 12:00 PM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
4. Hyatt Place Milwaukee Airport
Hyatt Place Milwaukee Airport earns 8.3/10 from 593+ recent reviews and sits at 200 West Grange Avenue, Milwaukee, WI 53207.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, an on-site bar, and family rooms.
Pets allowed — check fees/weight rules; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 12:00 PM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
5. Hampton Inn Milwaukee Airport
Hampton Inn Milwaukee Airport earns 8.2/10 from 214+ recent reviews and sits at 1200 West College Avenue, Milwaukee, WI 53221.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, family rooms, and accessibility features.
Pets allowed — check fees/weight rules; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 12:00 PM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
6. Courtyard Milwaukee Airport
Courtyard Milwaukee Airport earns 8.2/10 from 90+ recent reviews and sits at 4620 South 5th Street, Milwaukee, WI 53207.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, and accessibility features.
Pets not allowed; typical check-in From 3:00 PM, check-out Until 12:00 PM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
7. Sleep Inn & Suites Airport Milwaukee
Sleep Inn & Suites Airport Milwaukee earns 8.0/10 from 818+ recent reviews and sits at 4600 South 6th Street, Milwaukee, WI 53221.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, and accessibility features.
Pets allowed — check fees/weight rules; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
8. aloft Hotel Milwaukee Downtown
aloft Hotel Milwaukee Downtown earns 7.9/10 from 479+ recent reviews and sits at 1230 Old World Third Street, Milwaukee, WI 53212.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, an on-site bar, family rooms, and accessibility features.
Pets not allowed; minimum check-in age 21; typical check-in From 4:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
9. Cambria Hotel Milwaukee Downtown
Cambria Hotel Milwaukee Downtown earns 7.9/10 from 1,009+ recent reviews and sits at 503 N Plankinton Ave, Milwaukee, WI 53203.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, an on-site bar, and accessibility features.
Pets not allowed; minimum check-in age 21; typical check-in From 4:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
10. Courtyard Milwaukee Downtown
Courtyard Milwaukee Downtown earns 7.8/10 from 187+ recent reviews and sits at 300 West Michigan Street, Milwaukee, WI 53203.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, and accessibility features.
Pets allowed — check fees/weight rules; minimum check-in age 21; typical check-in From 4:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
11. Best Western Plus Milwaukee West
Best Western Plus Milwaukee West earns 7.8/10 from 572+ recent reviews and sits at 5501 West National Avenue, Milwaukee, WI 53214.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, an on-site bar, family rooms, and accessibility features.
Pets not allowed; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
12. Hilton Garden Inn Milwaukee Northwest Conference Center
Hilton Garden Inn Milwaukee Northwest Conference Center earns 7.7/10 from 394+ recent reviews and sits at 11600 West Park Place, Milwaukee, WI 53224.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, an on-site bar, and family rooms.
Pets allowed — check fees/weight rules; minimum check-in age 21; typical check-in From 3:00 PM to 11:30 PM, check-out From 4:00 AM to 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
13. Holiday Inn Express Hotel & Suites Milwaukee Airport, an IHG Hotel
Holiday Inn Express Hotel & Suites Milwaukee Airport, an IHG Hotel earns 7.6/10 from 303+ recent reviews and sits at 1400 West Zellman Court, Milwaukee, WI 53221.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, family rooms, and accessibility features.
Pets not allowed; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
14. Hyatt Place Milwaukee West
Hyatt Place Milwaukee West earns 7.6/10 from 391+ recent reviews and sits at 11777 West Silver Spring Drive, Milwaukee, WI 53225.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, and an on-site bar.
Pets allowed — check fees/weight rules; minimum check-in age 21; typical check-in From 3:00 PM to 12:00 AM, check-out Until 12:00 PM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
15. Crowne Plaza Milwaukee South, an IHG Hotel
Crowne Plaza Milwaukee South, an IHG Hotel earns 7.4/10 from 300+ recent reviews and sits at 6401 South 13th Street, Milwaukee, WI 53221.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, and an on-site bar.
Pets not allowed; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
16. Holiday Inn Milwaukee Riverfront, an IHG Hotel
Holiday Inn Milwaukee Riverfront, an IHG Hotel earns 7.4/10 from 355+ recent reviews and sits at 4700 North Port Washington Road, Milwaukee, WI 53212.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, an on-site bar, and accessibility features.
Pets allowed — check fees/weight rules; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
17. Holiday Inn Milwaukee Airport, an IHG Hotel
Holiday Inn Milwaukee Airport, an IHG Hotel earns 7.2/10 from 287+ recent reviews and sits at 545 West Layton Avenue, Milwaukee, WI 53207.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, an on-site bar, and accessibility features.
Pets not allowed; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 12:00 PM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
18. Best Western Plus Milwaukee Airport Hotel & Conference Center
Best Western Plus Milwaukee Airport Hotel & Conference Center earns 7.1/10 from 1,585+ recent reviews and sits at 5105 South Howell Avenue, Milwaukee, WI 53207.
Standout amenities include an indoor pool for year-round laps and family time, a fitness room for quick workouts, free parking, family rooms, and accessibility features.
Pets not allowed; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
19. Quality Suites Milwaukee Airport
Quality Suites Milwaukee Airport earns 6.9/10 from 295+ recent reviews and sits at 4488 South 27th Street, Milwaukee, WI 53221.
Standout amenities include an indoor pool for year-round laps and family time and free parking.
Pets not allowed; minimum check-in age 21; typical check-in From 3:00 PM, check-out Until 11:00 AM. See the booking page for current rates, taxes, and any deposit or ID requirements.
Recent guests often mention friendly front-desk teams and tidy common areas, making this an easy, low-stress pick if you value simple comforts over flashy extras.
How We Chose These Hotels
We ranked Milwaukee hotels using a quality-weighted blend of guest rating and review volume. This keeps the list honest, because a hotel with a handful of perfect reviews should not outrank a property with hundreds of solid, consistent stays.
We then applied filters directly to the dataset so the list stays useful for real trip planning, not just “looks nice in photos.” Common filters include:
- Indoor pool (required)
- Parking (free vs paid, on-site vs nearby)
- Breakfast options
- Family-friendly room setups
- Pet policy
- Accessibility features
- Kitchen or kitchenette (when available)
Finally, we sanity-check location fit. Milwaukee is a city of distinct districts, and staying near the Historic Third Ward feels very different from staying near the airport or in the East Side. Visit Milwaukee highlights areas like the Historic Third Ward, Walker’s Point, Bay View, and the East Side, each with its own vibe and convenience factor.
What to Expect from Hotels With Indoor Pools in Milwaukee, WI
In Milwaukee, indoor pools are not just a “nice extra.” They are a practical upgrade for a city with real winter and plenty of snow.
For context, Milwaukee’s climate normals show winter temperatures are often cold and snowy. January averages include a normal high around 30.9°F, a normal low around 17.2°F, and average January snowfall around 14.9 inches (with about 48.7 inches annually).
Translation: an indoor pool is one of the easiest ways to keep a trip fun when the outdoors is doing its icy thing.
Here’s what you can generally expect:
Indoor pools tend to be best for families and casual swims
Most hotel indoor pools in Milwaukee are designed for:
- kids’ swim time
- relaxing dips
- a quick warm-up after sightseeing
If you want serious lap swimming, read recent reviews carefully. Pool size varies a lot.
Pool areas can feel warm or “pool-humid”
In winter, the pool room can feel amazing. In summer, it can feel a little steamy. Recent reviews are your best source for whether the pool area feels clean, well-ventilated, and comfortable.
Fitness rooms are usually compact but useful
Expect a basic setup: treadmill, bike, a few weights. Great for “I tried” workouts.
Location changes the whole trip
A few common Milwaukee stay styles:
- Historic Third Ward for boutiques, galleries, and Milwaukee Public Market energy
- Walker’s Point for food, bars, and nightlife
- Bay View for a laid-back neighborhood vibe
- Downtown for events and walkability, but parking can be trickier
Booking Tips
1) Verify pool details before you book
Indoor pool listings are usually accurate, but the details that matter can change:
- Is it heated?
- Is it open right now?
- What are the hours?
- Any scheduled maintenance closures?
A quick call or message can save the staycation.
2) Use reviews like a detective, not a fan
When scanning recent reviews, look specifically for:
- water temperature (too cold vs pleasantly warm)
- cleanliness
- crowding (especially weekends)
- towel availability
- whether the pool was closed during the stay
3) Do the “true cost” check, especially downtown
Milwaukee parking can add up quickly depending on location and events.
City parking meter rates vary by area, with stated rates from $1/hour to $2.50/hour, and special event rates up to $5/hour in specified areas.
If you are staying near downtown venues, also note there are multiple garage options. For example, the Baird Center garage is positioned for downtown events and nearby venues.
Practical move: compare room rate + parking + taxes + any fees across your dates, not just the nightly headline price.
4) If you are coming for an event, book earlier than you think
Milwaukee spikes hard for conventions, concerts, and sports weekends. When demand rises, you often see:
- higher parking rates
- stricter cancellation policies
- fewer family-friendly room types available
5) Check minimum check-in age and deposit rules
A lot of city hotels require a minimum age (often 21) and a credit card authorization at arrival. Policies vary, so confirm before booking, especially for quick overnight stays.
FAQ: Hotels With Indoor Pools in Milwaukee, WI
Are hotel indoor pools usually heated?
Most are heated, but “heated” can mean different things depending on the hotel. In Milwaukee winter, you will feel the difference, so confirm in amenities or recent reviews.
Is there a lifeguard on duty?
Usually no. Most hotel pools are swim at your own risk. Kids typically need active adult supervision.
What are typical pool hours?
Many hotels run something like early morning to late evening, but hours vary and can change for maintenance or staffing. Confirm at check-in if pool time is your priority.
Do hotels provide towels at the pool?
Usually yes, either poolside or via the front desk. Still, bringing one backup towel for kids is never a bad idea.
Are kids allowed, and are there age rules?
Most hotels allow children with an adult. Hot tubs sometimes have stricter rules. Always follow posted pool signage.
Is there ADA access like a pool lift?
Some hotels provide ADA pool lifts or accessible entry options, but it varies. If accessibility is essential, call the hotel and ask specifically about the pool setup.
Can I use the pool before check-in or after check-out?
It depends on the property. Some allow access once you have checked in, and late access after check-out is often discretionary. Ask the front desk.
Is parking free in Milwaukee hotels?
It depends on location. Suburban and airport-area hotels are more likely to include free parking. Downtown stays are more likely to have paid parking, and street meter rates vary by area with special event pricing possible.