Grand Harbor Resort and Waterpark

Family-friendly hotel with free water park, connected to the convention center, near Diamond Jo Casino

Choose dates to view prices

Where to?

Dates

December 2025

14

January 2026

Water park - Grand Harbor Resort and Waterpark (Dubuque)

Lobby - Grand Harbor Resort and Waterpark (Dubuque)

Exterior - Grand Harbor Resort and Waterpark (Dubuque)

Experience family fun at Grand Harbor Resort and Waterpark, where a free continental breakfast and water park access set the tone for an unforgettable adventure. Enjoy American cuisine at Tony Romas, take a dip in one of the two spa tubs or swim in the pool with a lazy river. With express check-out, laundry services, and helpful staff on hand to ensure your comfort.

Very good

Popular amenities

Connecting rooms available
Bar
24/7 front desk
Gym
Pool
Non-smoking

Main amenities (12)

Daily housekeeping
Restaurant and bar/lounge
Indoor pool and 2 hot tubs
Lazy river
Free water park
Fitness center
Children's pool
Waterslide
Room service
Children's club
24-hour business center
Conference center

For families (6)

Cribs/infant beds (surcharge)
Children's pool
Children's club
Microwave
Connecting/adjoining rooms available
Cable/satellite TV service

$101 nightly

Dec 17 - Dec 18

Total with taxes and fees

Room options

Check availability for these dates

Tonight

Dec 14 - Dec 15

Tomorrow

Dec 15 - Dec 16

All rooms

2 beds

3+ beds

Showing 4 of 4 rooms

Standard Room, 1 King Bed with Sofa bed

Very good

Highlights

Air conditioning

Connecting rooms available

Refrigerator

Flat-screen TV

Hair dryer

Shower/tub combination

Private bathroom

Microwave

Sleeps 4
1 King Bed and 1 Double Sofa Bed

In-room safe, desk, iron/ironing board, cribs/infant beds

Junior Suite (No Waterpark Access )

Highlights

Air conditioning

Connecting rooms available

Refrigerator

Flat-screen TV

Separate bedroom

Hair dryer

Shower/tub combination

Private bathroom

1 bedroom
Sleeps 6
2 Double Beds and 1 Double Sofa Bed

Junior Suite, 1 King Bed with Sofa bed (No Waterpark Access )

Highlights

Air conditioning

Connecting rooms available

Refrigerator

Flat-screen TV

Sofa bed - double

Hair dryer

Shower/tub combination

Private bathroom

Sleeps 4
1 King Bed and 1 Double Sofa Bed

Standard Double Room, 2 Queen Beds

Very good

Highlights

Air conditioning

Connecting rooms available

Refrigerator

Flat-screen TV

Hair dryer

Shower/tub combination

Private bathroom

Microwave

Sleeps 4
2 Queen Beds

Similar properties

Pool
Free breakfast
Airport transfer
Pet friendly

$93 nightly

Dec 21 - Dec 22

Total with taxes and fees

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About the neighborhood

350 Bell St, Dubuque, IA, 52001

What's nearby

Diamond Jo Casino - 1 min walk - 0.1 km
Grand River Center - 2 min walk - 0.2 km
Grand Harbor Resort and Waterpark - 2 min walk - 0.2 km
National Mississippi River Museum and Aquarium - 5 min walk - 0.4 km
Five Flags Center - 8 min walk - 0.7 km

Getting around

Dubuque, IA (DBQ-Dubuque Regional) - 12 min drive

Restaurants

‪McDonald's - ‬10 min walk
‪Arby's - ‬15 min walk
‪Odd Fellows - ‬12 min walk
‪Hotel Julien Dubuque - ‬9 min walk
‪Grand Harbor Resort and Waterpark - ‬2 min walk

About this property

Grand Harbor Resort and Waterpark

Grand Harbor Resort and Waterpark features a free water park and puts you within a 10-minute walk of Mississippi River. After hanging out at the indoor pool or lazy river, guests can grab a bite to eat at Tony Romas, which serves American cuisine and is open for lunch and dinner. A bar/lounge and a fitness center are offered, and in-room conveniences include refrigerators and microwaves. Fellow travelers say good things about the helpful staff and location.

At a glance

Hotel size

- 193 rooms
- Arranged over 7 floors

Arriving/Leaving

- Check-in start time: 4:00 PM; Check-in end time: midnight
- Express check-out available
- Minimum check-in age: 21
- Check-out time is 11:00 AM

Special check-in instructions

- Front desk staff will greet guests on arrival at the property
- For any questions, please contact the property using the information on the booking confirmation
- Information provided by the property may be translated using automated translation tools

Required at check-in

- Credit card required for incidental charges
- Government-issued photo ID may be required
- Minimum check-in age is 21

Children

- Children's club*

Pets

- Pets not allowed

Internet

- Free WiFi in public areas
- Free WiFi in rooms

Parking

- Free onsite self parking

Other information

- Smoke-free property

Property amenities

Food and drink

Free continental breakfast on weekday mornings 6:30 AM–9:00 AM
Restaurant
Bar/lounge
Room service (limited hours)
Snack bar/deli

Traveling with children

Children's club (surcharge)
Free water park access
Children's pool
Lazy river
Children's games
Toys
Lifeguard on site

What to do

Golf lessons nearby
Fishing nearby

Working away

24-hour business center
Meeting rooms
Conference center (1453 square feet of space)

Services

24-hour front desk
Laundry service
Free newspapers in lobby

Facilities

Built in 2002
ATM/banking
Safe-deposit box at front desk
Television in common areas
Fitness center
An indoor pool
Free water park
Arcade/game room
Lazy river
2 hot tubs
Waterslide

Accessibility

Elevator
Assistive listening devices available

Room amenities

Be entertained

32-inch flat-screen TV
Cable TV channels

Home comfort

Air conditioning
Coffee/tea maker
Iron/ironing board

Sleep well

Alarm clock
Crib/infant bed (surcharge)
Rollaway/extra bed (surcharge)
Bed sheets provided

Freshen up

Shower/tub combination
Hair dryer
Towels

Stay connected

Desk
Free newspapers
Free WiFi
Free local calls

Food and drink

Refrigerator
Microwave

More

Daily housekeeping
In-room safe
Connecting/adjoining rooms available

Special features

Dining

Tony Romas - This restaurant specializes in American cuisine and serves lunch and dinner. Guests can enjoy drinks at the bar.

Fees & policies

Refundable deposits

Deposit: USD 50.00 per stay

Renovations and closures

The following facilities are closed on Monday, Tuesday, and Wednesday:

Children's pool
Indoor pool
Hot tub

Children & extra beds

Cribs/infant beds are available for USD 5.0 per day
Rollaway beds are available for USD 10.0 per day
Children's club access is available for an extra charge

Policies

The property has connecting/adjoining rooms, which are subject to availability and can be requested by contacting the property using the number on the booking confirmation.

This property accepts credit cards. Cash is not accepted.

Credit cards accepted: Visa, Mastercard, American Express, Discover

Also known as

Grand Harbor

Grand Harbor Resort

Grand Harbor Resort & Waterpark

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Grand Harbor Resort and Waterpark Dubuque

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Frequently asked questions

Is there a pool at Grand Harbor Resort and Waterpark?

Yes, there's an indoor pool and a children's pool.

Are pets allowed at Grand Harbor Resort and Waterpark?

Sorry, pets aren't allowed.

Is parking offered on site at Grand Harbor Resort and Waterpark?

Yes, there's free self parking.

What are the check-in and check-out times at Grand Harbor Resort and Waterpark?

Check-in start time: 4:00 PM; Check-in end time: midnight. Check-out time is 11:00 AM. Express check-out is available.

Is there an onsite casino at Grand Harbor Resort and Waterpark?

No, this hotel doesn't have a casino, but Diamond Jo Casino (1-min walk) and Q Casino (5-min drive) are both nearby.

What is there to do at Grand Harbor Resort and Waterpark and nearby?

Have fun with nearby activities such as fishing and practice your swing at the nearby golf course. Soothe your senses in one of the 2 hot tubs or make use of other amenities, which include a lazy river and a fitness center. Grand Harbor Resort and Waterpark also has an arcade.

Are there restaurants at or near Grand Harbor Resort and Waterpark?

Yes, Tony Romas offers American cuisine.

What's the area around Grand Harbor Resort and Waterpark like?

Grand Harbor Resort and Waterpark is located by the river, a short 5-minute walk from Mississippi River and 2 minutes' walk from Grand Harbor Resort and Waterpark. Travelers say this hotel is in a good location.