Mason, OH — Kings Island is a Six Flags amusement park in Mason, Ohio, with Soak City, its water park, included with admission.
In a Nutshell
Phantom Theater: Opening Nightmare opened with the season on April 18, 2026, and placed No. 2 for Best New Attraction Installation in the 2026 Golden Ticket Awards. Halloween Haunt added JASON: Blood Reign in 2026, followed by a Bonus Weekend on Nov. 7 and 8, and WinterFest runs select days from Nov. 27 to Dec. 31, 2026.
LocationMason, Ohio
Water parkSoak City, included
MarketCincinnati
OwnerSix Flags Entertainment Corp.
Kings Island in 2026: Phantom Theater Opens
April 18, 2026OpeningPhantom Theater: Opening Nightmare opened on opening day and placed No. 2 for Best New Attraction Installation in the 2026 Golden Ticket Awards.
Sept. 25, 2026NewJASON: Blood Reign, a Friday the 13th maze, joined Halloween Haunt. My story
Kings Island Events: Grand Carnivale, Halloween Haunt and WinterFest
July 18 to Aug. 2, 2026Grand Carnivale
Select days, Sept. 25 to Oct. 31, 2026Halloween Haunt
Sept. 27 to Nov. 1, 2026Tricks and Treats, daytimeIncluded with park admission
Select days, Nov. 27 to Dec. 31, 2026WinterFest
Kings Island Guides: Halloween Haunt and the JASON Maze
