SCUBA @ Hawaii Kai (2-Tank Dive) ($45) 

This is a two tank boat dive in Hawaii Kai. You do NOT need to be scuba certified to go on this trip. You will probably be able to see fish, thriving reefs, and turtles. They provide all the gear, but you may bring your own. Check in is at 1200, just bring your swim clothes, sunscreen, towel, camera, water and money for food afterwards.