About
Adventure Island, located at 1501 65th Ave, Greeley, CO, is a family-friendly outdoor water park offering a variety of aquatic activities. It features a lazy river, water slides, a zero-depth entry pool with a children's play area, and concessions. It serves as a popular recreational spot in Greeley during the summer.
Specific pool temperatures for Adventure Island are not publicly listed. However, all pools at the facility are stated to be heated for the comfort of visitors.
What are people saying (AI review summary)? This water park is highly regarded as a fun and valuable destination for families with children, from toddlers to pre-teens. It offers a variety of attractions including a lazy river, pool areas, an amazing kiddie splash zone with slides, and two large water slides (48" minimum height). A steam room and swimming lanes are also available. While "adult time" every two hours is appreciated for breaks, some visitors noted crowding and limited space, and one larger slide has reportedly been closed for a long time. It's recommended to check online or call for specific activity opening times.
Location
Gallery
Amenities
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Good for Children
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Accepts Credit Cards
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Accessible Entrance
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Accessible Restroom
Reviews
Listing Reviews
July 14th, 2025Lauren Anderson
We visited from out of town, and this place was great. The water was a decent temperature. The two big slides are 48" minimum. And the kiddie area is amazing. The third bigger slide has been closed for 20 years according to a lifeguard. Came with a 3 and 6 yo and would come back again.
July 29th, 2025Deserray Bradney
This place was extremely fun for my kiddos 6yrs old and 11yrs old. They do adult time every 2 hours which is also great to make the kids use the restroom and hydrate. Cons were too many people and not enough space.
September 9th, 2025Last Great Adventure
Great place. Great Atmosphere! Family loved it. Outstanding value!
December 22nd, 2016Will Warren
Great place to take the kids for a swim! Adventure island has a lazy river, pool area, splash zone for kids with water slides, steam room and two large water slides for adults. All water activities are usually open in the evening. Swimming lanes are open at different times during the day. Call before you go or check online to make sure what you want is open.
February 17th, 2025Matt Walker
Great places for kids.
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Opening Hours
| Sunday | 11:30 AM – 6:00 PM |
|---|---|
| Monday | 12:00 – 5:00 PM |
| Tuesday | 12:00 – 5:00 PM |
| Wednesday | 12:00 – 5:00 PM |
| Thursday | 12:00 – 5:00 PM |
| Friday | 12:00 – 5:00 PM |
| Saturday | 11:30 AM – 6:00 PM |
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