Six Flags Hurricane Harbor Lakeville

 is an indoor waterpark at the Lakeville Grand Inn in. It was originally a CoCo Key Water Resort from 2009-2013. Six Flags was hired to revamp and operate the water park section of the hotel by the Inn's current operators Lakeville Grand Inn Partners L.P., and the waterpark reopened in 2015.

Slides

 * Splash Island (added 2009; a water play area with a tipping bucket)
 * Tornado (added 2015; a ProSlide Tornado, similar to the rattler, but has an extra turn to make it go back into the building)