Hawaii Glass Bottom Boats operates primarily from Kewalo Harbor in Honolulu, Oahu. This prime location offers easy access to the crystal-clear waters of the Pacific Ocean, where guests can enjoy spectacular views of vibrant coral reefs and marine life without getting wet. With Diamond Head as a stunning backdrop, the tours provide an unforgettable way to explore Hawaii's underwater ecosystems. The convenient departure point in Honolulu for anyone seeking a unique ocean adventure.