Avg. for September
Avg. for September
Nightly prices at Grand Harbor Resort average $107 in April, the cheapest month, and $187 in July, the most expensive, based on the last 12 months.
| Month | Average price |
|---|---|
| January | $118 |
| February | $114 |
| March | $125 |
| April | $107 |
| May | $130 |
| June | $171 |
| July | $187 |
| August | $147 |
| September | $132 |
| October | $131 |
| November | $114 |
| December | $125 |
Most expensive: July (~$187)
Cheapest: April (~$107)
Parking
Restaurant
Swimming pool
Non-Smoking Rooms
Business Center
Room Service
Mississippi River (0.1 miles)
Mississippi Riverwalk (0.1 miles)
Grand River Center (0.2 miles)
Grand Harbor Resort and Waterpark (0.3 miles)
Port of Dubuque Marina (0.3 miles)
Diamond Jo Casino (0.3 miles)
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Room details
Sleeps 4
Room details
Sleeps 4
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Room details
Sleeps 4
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Room details
Sleeps 4
Based on 1,205 verified reviews
AI-generated summary based on recent guest reviews
At Grand Harbor Resort and Waterpark, travelers praise the riverfront setting and helpful staff, while feedback is mixed on aging facilities and upkeep, with the indoor waterpark and arcade described as fun for kids but worn and sometimes partially closed.
Read moreWas this helpful?
Marc
3 weeks ago
·
Stayed 2 nights
Brett
3 weeks ago
·
Stayed 1 night
KELLY
3 weeks ago
·
Stayed 2 nights
Kirk
Aug 12, 2026
·
Stayed 1 night
Jori
Jul 26, 2026
·
Stayed 1 night
Check-in
Check-out
From 15:00 to 00:00
Before 12:00
Yes, free self-parking is available on-site.
A complimentary continental breakfast is served on weekdays from 6:30 AM to 9:00 AM.
Check-in is from 3:00 PM, and check-out is until 12:00 PM. Early or late check-in/check-out may be available upon request.
The property features step-free entrances, wheelchair-accessible facilities in public areas, and accessible rooms. Elevators are available for easy access to different floors.
The hotel is centrally located in Dubuque, within a 10-minute walk of the Diamond Jo Casino and the National Mississippi River Museum and Aquarium. It is just 0.1 miles from the Mississippi River and the Mississippi Riverwalk.
Yes, the hotel features a water park and a lazy river. However, the indoor pool, children's pool, and hot tub are closed on Monday, Tuesday, and Wednesday.
Yes, children are welcome at the hotel. There is no minimum age for children to stay for free.
Cribs are available for a fee of USD 5.00 per day, and rollaway beds can be requested for USD 10.00 per day. Advance request or confirmation may be required.
Instant AI responses are based on hotel information
Over the next 60–90 days, room rates at Grand Harbor Resort in Dubuque typically land around $110 a night for two guests, ranging from $99 to $212 on peak dates.
April is the cheapest month to stay at Grand Harbor Resort in Dubuque, averaging $137 a night; July is the priciest at $211. April’s lower rates come even though the quietest month for crowds is different.
Demand at Grand Harbor Resort in Dubuque peaks in March and drops thereafter, with May the quietest month to visit. Plan for fewer crowds and easier availability in the early summer shoulder season.
The Grand Harbor Resort in Dubuque sits on the Mississippi River near the Mississippi Riverwalk and the National Mississippi River Museum and Aquarium, with the Grand River Center and Port of Dubuque Marina also nearby. The hotel caters especially to families and couples and balances family-friendly attractions with business-friendly amenities.
Grand Harbor Resort in Dubuque is cheaper than 2 of 15 comparable hotels nearby, with a typical median of $148 a night versus about $128 for its peer set.
The current price at Grand Harbor Resort in Dubuque is $131 per night for 2 guests, which is low for this hotel: about 25% below its $175 average over the last 60 days. Most nights over that period fell between $101 and $321.
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Cheaper
Pricier
Average nightly price across deals, with taxes & fees.
Prices in USD for 2 guests, updated daily.