See all properties

Grand Harbor Resort and Waterpark

3.5 star property
3.5-star family-friendly hotel near Diamond Jo Casino, connected to the convention center

Choose dates to view prices

Photo gallery for Grand Harbor Resort and Waterpark

Water park
Water park
Lobby
Water park
Exterior

Reviews

8.0 out of 10
Very good

Popular amenities

  • Pool
  • Hot tub
  • Breakfast included
  • Free WiFi

Explore the area

View in a map
350 Bell St, Dubuque, IA, 52001
  • Place, Diamond Jo Casino
    ‪1 min walk‬
  • Place, Grand Harbor Resort and Waterpark
    ‪2 min walk‬
  • Place, National Mississippi River Museum and Aquarium
    ‪5 min walk‬
  • Airport, Dubuque, IA (DBQ-Dubuque Regional)
    ‪14 min drive‬

Room options

View all photos for Standard Room, 1 King Bed with Sofa bed

Standard Room, 1 King Bed with Sofa bed | In-room safe, desk, iron/ironing board, cribs/infant beds

Standard Room, 1 King Bed with Sofa bed

8.2 out of 10
Very good
(62 reviews)
  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed

View all photos for Junior Suite (No Waterpark Access )

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

Junior Suite (No Waterpark Access )

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

View all photos for Junior Suite, 1 King Bed with Sofa bed (No Waterpark Access )

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

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

  • Sleeps 4
  • 1 King Bed and 1 Double Sofa Bed

View all photos for Standard Double Room, 2 Queen Beds

Standard Double Room, 2 Queen Beds | In-room safe, desk, iron/ironing board, cribs/infant beds

Standard Double Room, 2 Queen Beds

8.2 out of 10
Very good
(102 reviews)
  • Sleeps 4
  • 2 Queen Beds

You may also like

Ad
Exterior

TownePlace Suites by Marriott Dubuque Downtown

Historic Millwork District
  • Pool
  • Breakfast included
  • Pet friendly
  • Parking included
4.5 out of 5, Wonderful, 357 reviews
$127 nightly
The price is $142
Jan 21 - Jan 22
Total with taxes and fees
TownePlace Suites by Marriott Dubuque Downtown

About the neighborhood

Dubuque

Heart of Dubuque.Your stay at this Dubuque hotel places you within a 10-minute walk of Diamond Jo Casino and National Mississippi River Museum and Aquarium.

What's nearby

  • Diamond Jo Casino - 1 min walk - 0.1 miles
  • Grand River Center - 2 min walk - 0.1 miles
  • Grand Harbor Resort and Waterpark - 2 min walk - 0.1 miles
  • National Mississippi River Museum and Aquarium - 5 min walk - 0.3 miles
  • Five Flags Center - 8 min walk - 0.5 miles

Getting around

  • Dubuque, IA (DBQ-Dubuque Regional) - 14 min drive

Restaurants

  • ‪McDonald's - ‬13 min walk
  • ‪Arby's - ‬18 min walk
  • ‪Hotel Julien Dubuque - ‬12 min walk
  • ‪Pepper Sprout - ‬13 min walk
  • ‪Dimensional Brewing Company - ‬15 min walk

About this property

Grand Harbor Resort and Waterpark

3.5-star family-friendly hotel near Diamond Jo Casino, connected to the convention center
Grand Harbor Resort and Waterpark offers its guests a complimentary water park, 2 hot tubs, a lazy river, and a waterslide. Along with a restaurant, there's a snack bar/deli on site. You can enjoy a drink at the bar/lounge. Free breakfast is served daily. WiFi is free in public spaces.

A 24-hour business center and meeting rooms are available. Event space at this hotel measures 1453 square feet (135 square meters) and includes a conference center. An indoor pool, a children's pool, and a fitness center are also featured at the family-friendly Grand Harbor Resort and Waterpark. Self parking is free.

This 3.5-star Dubuque hotel is smoke free.

  • 193 guestrooms or units
  • 7 levels
  • Meeting rooms
  • 1453 sq ft of conference space
  • 135 sq m of conference space
  • Built in 2002
  • Continental breakfast (free)
  • Deli
  • Kid's club (surcharge)
  • Business center (24 hours)
  • Conference center
  • Front desk (24 hours)
  • Express check-out
  • Front-desk safe
  • Game room or arcade
  • Gift shop
  • Newspapers in lobby (free)
  • Television in lobby
  • ATM
  • Elevator
  • No smoking on site
  • Bar or lounge
  • Dining venue
Grand Harbor Resort and Waterpark offers 193 air-conditioned accommodations with safes and complimentary newspapers. 32-inch flat-screen televisions come with cable channels. Guests can make use of the in-room refrigerators, microwaves, and coffee/tea makers. Bathrooms include shower/tub combinations and hair dryers.

This Dubuque hotel provides complimentary wireless Internet access. Business-friendly amenities include desks and phones; free local calls are provided (restrictions may apply). Housekeeping is provided daily.

Similar properties

View from room
Best Western Plus Dubuque Hotel & Conference Center
  • Pool
  • Hot tub
  • Breakfast included
  • Free airport shuttle
4.4 out of 5, Excellent, 1,010 reviews
$93 nightly
The price is $104
Jan 25 - Jan 26
Total with taxes and fees
Best Western Plus Dubuque Hotel & Conference Center

Property amenities

Family friendly

  • Arcade/game room
  • Children's club (surcharge)
  • Children's games
  • Children's pool
  • Children's toys
  • Crib (surcharge)
  • Free water park access
  • In-room microwave
  • In-room refrigerator
  • Indoor pool
  • Lazy river
  • Lifeguards on site
  • Rollaway/extra bed (surcharge)
  • Snack bar/deli
  • Waterslide

Internet

  • Available in all rooms: Free WiFi
  • Available in some public areas: Free WiFi

Parking and transportation

  • Free self parking on site

Food and drink

  • Free continental breakfast available 6:30 AM to 9:00 AM on weekdays and 6:30 AM to 10:00 AM on weekends
  • A bar/lounge
  • A restaurant
  • Snack bar/deli

Things to do

  • 2 hot tubs
  • Arcade/game room
  • Children's club
  • Children's pool
  • Free water park
  • Gym
  • Indoor pool
  • Lazy river
  • TV in common areas
  • Waterslide

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Assistive listening devices
  • Elevator
  • Wheelchair accessible (may have limitations)

Room amenities

Entertainment

  • 32-inch flat-screen TV with cable channels

Bedroom

  • Bedsheets provided
  • Crib (surcharge)
  • Rollaway/extra bed (surcharge)

Bathroom

  • Hair dryer
  • Shower/bathtub combination
  • Towels provided

Food and drink

  • Coffee/tea maker
  • Limited room service
  • Microwave
  • Refrigerator

More

  • Air conditioning
  • Connecting rooms available
  • Desk
  • Free daily newspapers
  • Free local calls
  • Iron/ironing board
  • Phone
  • Safe

Policies

Check-in

Check-in start time: 4:00 PM; Check-in end time: midnight
Minimum check-in age: 21

Check-out

Check-out before 11:00 AM
Express check-out available

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

Renovations and closures

The following facilities are closed on Monday, Tuesday, and Wednesday:
  • Children's pool
  • Indoor pool
  • Hot tub

Access methods

Staffed front desk

Pets

  • No pets allowed

Children and extra beds

  • Children are welcome.
  • Rollaway/extra beds are available for USD 10.0 per day.
  • Cribs (infant beds) are available for USD 5.0 per day.

Property payment types

Important information

Fees

Guests will be asked to pay the following charges at the property:

  • Deposit: USD 50.00 per stay

We've listed all charges provided to us by the property.

Optional extras

The fees and deposits listed below will be charged at the time of service, check-in, or check-out.

  • Crib (infant bed) fee: USD 5.0 per day
  • Rollaway bed fee: USD 10.0 per day

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
This property accepts credit cards; cash is not accepted
Charges for extra guests may apply and vary according to property policy.
A credit card for incidental charges and government-issued photo identification may be required upon check-in.
Special requests are subject to availability at the time of check-in. Special requests can't be guaranteed and may incur additional charges.
    This property is managed by a professional host. The provision of housing is linked to their trade, business, or profession. This property accepts Visa, Mastercard, American Express, and Discover. Cash is not accepted. 

We should mention

  • Connecting/adjoining rooms are subject to availability and can be requested by contacting the property at the number on your booking confirmation.

Property is also known as

Grand Harbor
Grand Harbor Resort
Grand Harbor Resort & Waterpark
Grand Harbor Resort & Waterpark Dubuque
Grand Harbor Resort Waterpark Dubuque
Grand Harbor Waterpark
Grand Harbor Waterpark Dubuque
Harbor Grand Resort
Dubuque Grand Harbor
Grand Harbor Dubuque
Grand Harbor Hotel And Waterpark
Grand Harbor Hotel Dubuque
Grand Harbor Resort And Waterpark Dubuque, Iowa
Grand Harbor Resort And Waterpark Hotel Dubuque
Grand Harbor Resort Dubuque
Grand Harbor Resort Waterpark
Grand Harbor Waterpark Dubuque
Grand Harbor Resort and Waterpark Hotel
Grand Harbor Resort and Waterpark Dubuque
Grand Harbor Resort and Waterpark Hotel Dubuque

Frequently asked questions

How close is Grand Harbor Resort and Waterpark to the airport?

Grand Harbor Resort and Waterpark is 8.6 mi (14-min drive) away from the Dubuque, IA (DBQ-Dubuque Regional) airport, the closest popular airport to the property.

How much does it cost to stay at Grand Harbor Resort and Waterpark?

As of Jan 20, 2026, prices found for a 1-night stay for 2 adults at Grand Harbor Resort and Waterpark on Feb 1, 2026 start from $90.49, excluding taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.

Does Grand Harbor Resort and Waterpark have an airport shuttle?

Airport shuttle services are not available at Grand Harbor Resort and Waterpark.

Does Grand Harbor Resort and Waterpark offer free breakfast?

Grand Harbor Resort and Waterpark offers free continental breakfast on weekdays between 6:30 AM and 9:00 AM and weekends between 6:30 AM and 10:00 AM.

Is there a casino at Grand Harbor Resort and Waterpark?

No, there is no casino at this hotel, but Diamond Jo Casino (6-min walk) and Q Casino (6-min drive) are nearby.

What time is check-in at Grand Harbor Resort and Waterpark?

Check-in start time: 4:00 PM; Check-in end time: midnight.

Is there free parking at Grand Harbor Resort and Waterpark?

This hotel offers free self parking.

Does Grand Harbor Resort and Waterpark have a pool?

Grand Harbor Resort and Waterpark features an indoor pool and a children's pool.

Does Grand Harbor Resort and Waterpark have a restaurant?

Grand Harbor Resort and Waterpark is home to Tony Romas, which features American cuisine.

Does Grand Harbor Resort and Waterpark have a spa?

There are no spa services available at this hotel.

How close is Grand Harbor Resort and Waterpark to downtown Dubuque?

Grand Harbor Resort and Waterpark is 0.5 mi away from Dubuque.

Grand Harbor Resort and Waterpark Reviews

Reviews

8.0

Very Good

Rating 10 - Excellent. 448 out of 1011 reviews
Rating 8 - Good. 259 out of 1011 reviews
Rating 6 - Okay. 190 out of 1011 reviews
Rating 4 - Poor. 70 out of 1011 reviews
Rating 2 - Terrible. 44 out of 1011 reviews

8.0/10

Cleanliness

8.6/10

Staff & service

7.8/10

Amenities

7.4/10

Property conditions & facilities

Reviews

10/10 Excellent

Mark

Stayed 1 night in Nov 2025

10/10 Excellent

Kenneth

Stayed 1 night in Oct 2025

10/10 Excellent

Ryan

Liked: Cleanliness, staff & service, property conditions & facilities
Stayed 1 night in Oct 2025

10/10 Excellent

Cheryl

Liked: Cleanliness
Stayed 1 night in Oct 2025

2/10 Terrible

Gina

Business traveler, Traveled with family
Disliked: Cleanliness, staff & service, property conditions & facilities
Furniture in room was dirty. Cleaning person walked into room without knocking when we were still staying in the room. Took forever to check in and took 3 people to get it right. Got overcharged 2 times. Got checked an extra few because we used Expedia.
Stayed 2 nights in Oct 2025

10/10 Excellent

Liudmila

Traveled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Everything was great, but it was hard to find a place to eat breakfast since the breakfast area was busy and there were not enough tables for everyone.
Stayed 2 nights in Oct 2025

6/10 Okay

Zack

Liked: Staff & service
Disliked: Cleanliness
Had blood on blinds and ceiling in room and small pillows otherwise bed was nice and hotel was ok
Stayed 1 night in Oct 2025

6/10 Okay

Frank

Traveled with family
Liked: Cleanliness, staff & service
Disliked: Amenities
It was okay, needs some simple upgrades like a bed table on each side of the bed.
Stayed 2 nights in Oct 2025

4/10 Poor

LISA

Traveled with family and small children
Liked: Staff & service
Disliked: Cleanliness, property conditions & facilities
My kids room hadn't even been cleaned. Crumbs all over chairs, and beds. Toilets waaaay too low. But they did bring us a riser.
Stayed 1 night in Oct 2025

8/10 Good

Karen

Traveled with family and small children
Liked: Cleanliness, staff & service, amenities
Stay was fun with grandkids! Waterpark was fun for young kids. Most things were clean, but did observe some rust around play structure. Room was fine. Breakfast was just ok. Wished pool opened earlier in the morning.
Stayed 1 night in Oct 2025

8/10 Good

Joseph, Newton

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Loved the location and use of waterpark.
Stayed 1 night in Oct 2025

10/10 Excellent

Daniel

Traveled with partner
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
All was good
Stayed 1 night in Oct 2025

10/10 Excellent

George

Traveled with family
Liked: Amenities, property conditions & facilities
Yes
Stayed 1 night in Oct 2025

8/10 Good

Sue

Traveled with family
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Room was dated but very clean
Stayed 1 night in Oct 2025

6/10 Okay

Andrea

Traveled with family
Liked: Staff & service
Disliked: Cleanliness, property conditions & facilities
The hotel needs some updating, especially the waterpark. At least a new coat of paint. Beds were comfortable and seemed clean. Our toilet was not clean and old food from a previous guest was in our room fridge.
Stayed 1 night in Oct 2025

10/10 Excellent

Nicholas

Traveled with family
Very excellent stay
Stayed 2 nights in Oct 2025

10/10 Excellent

Jennifer

Stayed 1 night in Oct 2025

10/10 Excellent

Marie

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
I did not eat breakfast but my husband said it was good.
Stayed 1 night in Oct 2025

10/10 Excellent

Diane

Traveled with group
Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great place to stay a night during a road trip. Dubuque is a charming city with a small town feel.
Stayed 1 night in Oct 2025

10/10 Excellent

Anthony

Stayed 3 nights in Oct 2025

8/10 Good

William

Liked: Cleanliness, staff & service, property conditions & facilities
Older, but well maintained. Not a great breakfast, but it was something. Very good value for the price
Stayed 2 nights in Oct 2025

10/10 Excellent

Edward

Liked: Cleanliness, staff & service, property conditions & facilities, room comfort
The elevator service was below standard. For the size of this hotel. there needs to be additional elevators installed. At breakfast time and again at check-out, there were long waits with large crowds on every floor.
Stayed 2 nights in Oct 2025

10/10 Excellent

Judy

Liked: Cleanliness, staff & service, property conditions & facilities
Great view of river
Stayed 2 nights in Oct 2025

10/10 Excellent

Kendra

Stayed 1 night in Oct 2025

10/10 Excellent

Jamie

Liked: Cleanliness, staff & service
Stayed 2 nights in Oct 2025