Guam Ocean Adventures is located in beautiful Apra Harbor.We understand how to make your vacation unforgettable. We specialize in private groups but have many marine sports to choose from! Guided Snorkeling Tours, Experience Diving (DSD), Beach Diving, Freedom Diving (Snuba), Standup Paddleboard Lessons, SeaTREK Helmet Diving, Freediving Lessons, UW Digital Photography, Banana Boat Rides. You have time to relax on the beach before the next activity. From the surface to the depths of the ocean, we can take you there! You can try one tour or make a package, and experience several kinds of marine sports for the day!