familypoolhotels
Wisconsin Dells, WI

Grand Marquis Waterpark Hotel & Suites

A 1994 family hotel with the Blue Dolphin Lagoon indoor water park, where a triple-chute dolphin slide joins several kid-size slides, plus a summer outdoor pool with three more slides. About 10 slides in all.

Visit the hotel website See the water park facts

Indoor water parkSize not published
Passes includedFor every guest
Outdoor park tooOpen in summer
45 minFrom Madison, 49 mi
Check-in 4:00 PMCheck-out 10:30 AM

About the water park at Grand Marquis

Grand Marquis Waterpark Hotel & Suites is a family hotel in Wisconsin Dells, Wisconsin, home to Blue Dolphin Lagoon.

We didn't find published height rules for its rides, so ask at the water park desk if you have small swimmers.

Blue Dolphin Lagoon

Dashed = the hotel doesn't publish it
Indoor water park Not published
Outdoor water park Yes

Heated outdoor pool, May to September, with a triple slide, dinosaur slide and dolphin slide.

Slides 10

10 slide structures per the 2026 sale listing (the visitor bureau says 11); multi-chute slides count once.

Wave pool Not published
Lazy river Not published
Toddler area Yes

Indoor toddler pool and shallow wading pool with four kid-size slides.

Surf simulator Not published

Good to know

Water park passesIncluded with the room

Water park access is free for hotel guests.

Day passesNot published
Water temperatureNot published
HoursVary by season

Check the hotel calendar before you go.

Slides and attractions

Triple Dolphin

No minimum listed

Indoor triple-chute slide

Sea shell slides

No minimum listed

Two indoor half-tube slides

Kid-size slides

No minimum listed

Four small indoor slides

Sea life fountain

No minimum listed

Water-spouting feature with coral reef jets

Outdoor triple slide

No minimum listed

Outdoor triple slide

Dinosaur slide

No minimum listed

Outdoor kids' slide

Outdoor dolphin slide

No minimum listed

Outdoor slide

Rooms for families

Rooms93+
SuitesYes
KitchensNot published
Check-in / out4:00 PM / 10:30 AM

More to do

Indoor hot tubs and sauna

Drive times

FromDrive
Madison 45 min Short drive · 49 mi
Rockford 1 hr 50 min Short drive · 117 mi
Milwaukee 1 hr 55 min Short drive · 122 mi
Green Bay 2 hr Short drive · 130 mi
Chicago 3 hr Half-day drive · 194 mi
Minneapolis 3 hr 40 min Road trip · 236 mi
Des Moines 4 hr 25 min Road trip · 287 mi
Omaha 6 hr 30 min Road trip · 423 mi

Estimates from each city's downtown, without traffic.

Where it is

Map © OpenStreetMap contributors

Address: 840 Wisconsin Dells Pkwy S, Wisconsin Dells, WI 53965

Nearby water park hotels

Next doorWilderness on the Lake35,000 sq ftNext doorWingate DellsWisconsin DellsNext doorKalahari125,000 sq ftNext doorGreat Wolf Lodge76,000 sq ft

Parents ask

Is the water park included with a stay at Grand Marquis?

Yes. Water park access is free for hotel guests.

How big is the water park at Grand Marquis?

Grand Marquis does not publish the size of its water park.

Does Grand Marquis have a wave pool or lazy river?

Wave pool: not published. Lazy river: not published.

Is Grand Marquis good for toddlers?

Yes. Indoor toddler pool and shallow wading pool with four kid-size slides.

How far is Grand Marquis from Madison?

About 45 min by car (around 49 miles). From Rockford it is about 1 hr 50 min. These are estimates without traffic.

Can you visit the water park at Grand Marquis without staying?

Grand Marquis does not publish a day-pass option for non-guests.

Compare with similar hotels

Sources

Tripadvisor listing (water park details)tripadvisor.comHotels.com listingsg.hotels.comMarcus & Millichap sale announcement, June 2026production-cm.marcusmillichap.comWisconsin Dells Visitor Bureau indoor water park hotelswisdells.comWisconsin Dells Visitor Bureau water properties listwisdells.comTravelAge West listingtravelagewest.com

Checked October 2026. Hotels change prices, hours and attractions, so confirm before you book. Report a change.