Sometimes the best family getaway is the one where the kids spot the fun before the car even exits the freeway. This indoor waterpark turns an ordinary overnight into an event, with three pools, a twisting slide, a splash zone for swimmers, and a hot tub for adults who have earned five quiet minutes.
Families traveling through Utah can check in, drop the bags, and head straight for the water without worrying about weather, sunscreen, or complicated plans. That convenience is the real win: entertainment and bedtime are under the same roof, and nobody has to drive home with wet hair.
It works just as well for a spontaneous staycation as it does for a road-trip reset. By evening, the whole crew is exhausted, the swimsuits are dripping in the bathroom, and one of Utah’s most memorable family stops has turned “just a hotel” into the highlight of the trip.
The Water Slide That Started It All
© Holiday Inn Express & Suites Salt Lake City West Valley by IHG
Plenty of hotels have pools. Very few have a water slide that visitors describe as launching kids into the water like they were being deployed on a mission.
The main water slide at Grins and Fins is the headline attraction, and it earns that title without much debate.
The slide is tall enough to make adults reconsider their life choices before committing, and fast enough to make the whole thing worth it anyway. A height requirement of 48 inches is enforced by an on-site attendant, so younger kids will need to meet that mark before riding.
One thing worth knowing before you book: the big slide operates on a limited schedule, primarily on weekends. Weekday visitors have reported arriving to find it closed, so if the slide is the main reason for the trip, a Friday or Saturday night reservation is the smarter call.
Planning around the schedule turns a potential disappointment into the highlight of the whole stay.
Pro Tip: Book a weekend stay specifically to guarantee slide access. The attendant actively checks height requirements, so bring a measuring tape if your child is close to 48 inches.
Three Pools Worth Getting Wet For
Not every family member wants to hurl themselves down a fiberglass chute at high speed, and the pool area at Grins and Fins accounts for that perfectly. Three pools give the space a range that suits every age group without anyone feeling left out.
The main pool is notably large, with enough room for kids to genuinely play rather than just tread water in a crowd. Visitors have consistently pointed to the pool as the real heart of the waterpark experience, describing it as spacious, lively, and genuinely fun for children.
The heated water keeps the experience comfortable regardless of what Utah weather is doing outside, which is part of the indoor waterpark appeal in the first place. You can be in a snowstorm on the freeway and swimming in warm water twenty minutes later, which is a kind of magic that never really gets old.
Best For: Families with kids of mixed ages who need options beyond just the main slide. Toddlers, tweens, and parents all find their lane in this multi-pool setup without anyone feeling like they drew the short straw.
The Kids Play Area That Keeps Littles Busy
For the under-48-inch crowd, the kids play area is where the real action happens. Designed with smaller bodies and shorter attention spans in mind, this section of the waterpark gives young children their own space to splash, climb, and generally cause cheerful mayhem without getting steamrolled by older swimmers.
Parents watching from the hot tub have a clear sightline to this area, which is a detail that matters more than it might sound. Being able to soak in warm water while keeping an eye on your four-year-old sliding into a shallow splash zone is the kind of parenting win that deserves its own trophy.
The play area rounds out what is already a solid aquatic setup, making the waterpark genuinely usable for families with children of different ages at the same time. Nobody has to sit out or wait on the sidelines while siblings have all the fun.
Who This Is For: Families with toddlers and early elementary-aged kids who want waterpark energy without the intimidation factor of full-size slides. This zone turns the pool area into a place where even the littlest guests feel like they own the place.
The Hot Tub That Makes Parents Loyal Return Visitors
There is a reason the hot tub keeps showing up in glowing comments from adult visitors. While the kids are burning energy in the pool or play area, the hot tub offers a genuinely pleasant place for parents to decompress without leaving the waterpark entirely.
Its placement near the kids area is not accidental. The layout allows adults to stay within easy eyeline of younger swimmers while still enjoying a few minutes of warm, still water.
That combination of proximity and comfort is exactly what makes this feature a repeat-visit motivator for families.
Couples without kids have also found the hot tub to be a solid reason to book a weekend stay, especially when paired with the quieter morning hours when the pool crowd is lighter. Early risers report that the entire pool area feels almost private before the afternoon rush builds up.
Insider Tip: Hit the hot tub during morning hours for the best experience. Afternoon pool sessions get busy and the hot tub fills up fast.
An early start gives you the whole space at a more relaxed pace before the weekend crowd arrives in full force.
Ventilation and Pool Chemistry: What to Know Before You Go
Here is the part of the feature that earns its keep by being genuinely useful rather than just cheerful. Some visitors have noted that the pool area can feel heavily chlorinated during peak afternoon hours, with a few reporting eye irritation and stuffiness when the space fills up with swimmers.
The enclosed nature of an indoor waterpark means ventilation matters more than it does at an outdoor pool. The hotel management has acknowledged this feedback and indicated they are reviewing ventilation systems to address the concern.
Morning sessions, when fewer people are in the water, have been described as noticeably more comfortable.
This is not a dealbreaker for most families, but it is worth factoring into your schedule. Going early, staying for a solid morning session, and heading out before the afternoon peak is a strategy that lines up with the best visitor experiences reported across multiple stays.
Common Mistakes to Avoid: Booking a waterpark-focused stay and only hitting the pool in the afternoon. Morning access is less crowded, the air quality is better with fewer swimmers, and you get the space largely to yourselves before the day-tripper crowd arrives.
Rooms, Breakfast, and the Full Staycation Package
The waterpark is the draw, but the surrounding hotel package is what makes a staycation feel complete rather than just a glorified pool day. Rooms at the Holiday Inn Express sleep up to four, come with free Wi-Fi, flat-screen TVs, and coffeemakers, and suites add kitchenettes and pull-out sofas for larger families.
Breakfast is included with the stay and has earned genuine enthusiasm from visitors. The pancake machine in particular has developed a devoted following, with guests describing it with the kind of reverence usually reserved for heirloom recipes.
The buffet offers enough variety to handle picky eaters, early risers, and the post-pool hunger that hits kids around 8 a.m. with surprising force.
Free parking and a free airport shuttle round out the practical side of the stay. The hotel sits just seven miles from Salt Lake City International Airport, making it a logical overnight option for families arriving late or departing early who want something more memorable than a standard airport hotel.
Quick Verdict: The full package, waterpark access plus free breakfast plus free parking, makes the nightly rate feel like a reasonable trade for what amounts to a low-effort family mini-vacation without leaving the building.
Planning Your Visit: Timing, Tips, and the Smartest Way to Book
Getting the most out of Grins and Fins comes down to one word: timing. The water slide operates on a weekend schedule, the pool is less crowded in the mornings, and the breakfast buffet hits its stride early before the dining room fills up.
Building your visit around those three facts puts you ahead of most first-time guests.
The hotel is located at 3036 South Decker Lake Drive in West Valley City, Utah, just off Interstate 215, making it easy to reach from Salt Lake City and surrounding areas. Locals within an hour’s drive have used it as a staycation destination, which is a reliable signal that the value holds up even without the novelty of being far from home.
Pets are welcome, the property has free parking, and the airport shuttle adds flexibility for travel-adjacent stays. Calling ahead to confirm slide hours before your arrival date is a simple step that several visitors wished they had taken before checking in on a Thursday expecting full waterpark access.
Planning Advice: Reserve a Friday or Saturday night, arrive in time for an afternoon pool session, wake up for the pancake machine, and check out after a final morning swim. That four-beat rhythm covers everything this place does well in a single overnight stay.