For an ice breaker Beach Ball Questions Game-I made this when I worked as a Recreational Therapist at a Psych Hospital and used this with my patients to get them to talk more and interact with the group.
How Recreational Therapy can help if OT/PT/ST aren't working
The Benefits of Wilderness Therapy -http://www.tidbitsofexperience.com/wp-content/uploads/2015/11/The-Benefits-of-Wilderness-Therapy-640x960.jpg http://www.tidbitsofexperience.com/the-benefits-of-wilderness-therapy/
This could be used for someone with disabilities that doesn't allow function from the waist down. they could have floats around them to help them float. It takes the pressure off their bodies and allows them to have fun in water.