Water Parks

Jellystone Park™ Keystone Lake

Name: Jellystone Park™ Keystone Lake
Address: 29365 OK-51, Mannford, OK 74044, Mannford, OK, US
Telephone: (918) 865-2845
Rating: 4

★★★★☆ 4 (658 reviews)

📍 29365 OK-51, Mannford, OK 74044

📞 (918) 865-2845

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About Jellystone Park™ Keystone Lake

Jellystone Park™ Keystone Lake is a water park in Mannford, OK. Features two water slides each exceeding 200 feet in length. Rated 4 out of 5 stars by 658 visitors.

Quick Facts

Location: On 25,000-acre Keystone Lake with 330 miles of shoreline
Slides: 2 water slides (200+ ft each)
Water Attractions: Wibit Aqua Park, paddle boards, kayaks, boat/jet ski launch
Season: May 15 - September 13, 2026
Pools: Activity Pool, Splash Pool with chilled water

💡 Did You Know?

⭐Features two water slides each exceeding 200 feet in length
⭐Offers a floating obstacle course on the water, mentioned frequently in reviews as a key attraction
⭐Provides water sports amenities including kayaks, paddle boards, and tubing opportunities on Keystone Lake, setting it apart from typical water park offerings
⭐Offers furnished shade cabanas and private picnic pavilions with charcoal grills for rent on the pool deck, addressing the commonly mentioned shade limitations

💬 What Visitors Say

💡Wear water shoes with grip on the bottom when using the inflatable obstacle course — adults especially report slipping off without them, which reduces enjoyment and safety
🕐Visit on weekdays (Monday-Friday) to experience significantly fewer crowds and have more space for water activities like tubing and kayaking on the lake
💬Rent a furnished shade cabana on the pool deck if planning a full day visit — reviews highlight that while picnic tables with umbrellas are available, additional shade options reduce sun exposure
💡Book a private picnic pavilion with charcoal grill if bringing a group or camping — this allows you to grill meals and have a dedicated shaded gathering space throughout your stay
💬Plan to enjoy water activities beyond just slides — the park offers kayaks, paddle boards, and a floating obstacle course on the lake, providing varied entertainment for families