Nitro Dive Center is a diving school on Koh Tao, Thailand, located near the island's main port, teaching in both English and Spanish with international instructors and small groups of 2 to 4 students. It offers the full range of SSI courses from Try Scuba (Bautismo) through Open Water, Advanced Diver, Rescue Diver and Nitrox, up to the professional SSI Divemaster program (with two daily boat departures for fun diving, morning and afternoon) and a Nitro Instructor Course. Diving insurance and new, quality equipment are included in course pricing, and the center also organizes snorkeling trips around Koh Tao's best sites such as Shark Bay, Mango Bay and Aow Leuk.