Movies on the Lawn are a fun summer time fundraiser! Have everyone bring a blanket and you can accommodate a lot of people. For a fun twist, organize in a field or park, a drive-in. You can charge admission or just ask for donations. Host a concession stand for added donations. Can also host games for the kids to help pass the time until dark.
Inner Tube Water Polo
Two competitive teams are pitted against each other for an exciting game of water polo. The catch: the participants must wear ridiculous costumes and always be inside of their polka