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H2Oasis brings tropical fun to Alaska's largest city, and honestly, it's a lifesaver during those long winter months. This indoor water park keeps things comfortable year-round with a massive retractable roof that opens during Anchorage's brief summer season. The lazy river is the star attraction here - it's longer than most indoor parks manage to squeeze in, winding around almost the entire facility with some genuinely relaxing stretches where you can forget you're in Alaska. The slide complex features four different slides ranging from gentle family rides to a couple that'll get your heart pumping. The kids' area is solid with smaller slides, dump buckets, and plenty of shallow water for toddlers to splash around safely. What really sets H2Oasis apart is how they've embraced the Alaska theme without going overboard - you'll see some tasteful northern lights projections and local wildlife murals, but it never feels gimmicky. The wave pool generates decent waves every 15 minutes, though it's not huge. Families with kids under 12 will get the most out of this place, but teenagers won't be bored either. The arcade area is surprisingly well-stocked and gives older kids something to do between water activities. Visit on weekday mornings if possible - weekends can get packed with locals looking to escape the weather. The food court serves typical water park fare, but portions are generous and prices aren't outrageous for Alaska standards. Rent a cabana if you're visiting with a large group; they're reasonably priced and give you a home base. The facility stays around 82 degrees year-round, so you won't need much beyond your swimsuit, but bring water shoes since the deck areas can get slippery. Parking is free, which is rare for Anchorage attractions. Plan on 4-5 hours to experience everything without rushing.
Planning a visit? Confirm hours and pricing on the official website — details can change seasonally.
Last verified: July 2026
Prices shown are estimates. Check the H20asis website for current rates and hours before visiting.
Best time to go
Indoor parks shine on rainy weekends and school breaks — exactly when everyone else has the same idea. For shorter lines, aim for a Tuesday or Wednesday morning, or evening hours after 4pm when day-passers start clearing out.
Save money
Online tickets typically save you a few dollars over the gate price; even at lower-priced parks it adds up for a family. Indoor and resort parks routinely run weekday flash sales, military and first-responder discounts, and second-day passes — check the deals page before booking.
Getting there
H20asis sits in Anchorage, Alaska. Resort parking is usually free for overnight guests and ranges from $10–25 for day visitors. If you're a day visitor, ask the front desk about validating parking at the spa or restaurant — sometimes that's faster than the standard exit.
Who it's best for
Fits a wide range of ages. Worth a scouting lap when you arrive so each member of your group knows where their favorite area is before lines start to build.
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