
Oktavia snorkeling liveaboard photos Manta rays, whale sharks and turtles UPDATE 2021 – Oktavia is no longer operating Here are a few cool photos taken by snorkelers on Oktavia at the Similan Islands, Koh Bon, Koh Tachai and Richelieu Rock. These were taken last season. The 2015-16 was a really great season for big fish sightings, like manta rays and whale sharks. But we also saw a lot more reef sharks and the numbers Read More …