Dive Onda

Dive Onda is a scuba diving centre in the Sairee area of Koh Tao, the small island in the Gulf of Thailand known for its many dive schools and easy access to reefs and pinnacles.

The centre is registered with SSI, Scuba Schools International, and its listed programmes cover scuba courses, snorkel diver, emergency training and ecology. Divers can contact it by email or phone to book courses and fun dives.

It was rated 5.0 from about 470 Google reviews in November 2026.