Underwater diver swimming above reef, with orange sea fan, Similan Island, Thailand, Asia

Ko Similan Beach, Phuket Island, Phuket, Thailand, Southeast Asia, Asia, Asia

Rock formations of Ko Similan Beach, Phuket Island, Phuket, Thailand, Southeast Asia, Asia

Close-up of the head of a Moray Eel being cleaned by cleaner shrimp, Urogcardidella anton bruunii, and cleaner wrasse, Similan Island, Thailand

Ko Miang Island, Similan Islands, Andaman Sea, Thailand, Southeast Asia, Asia

Ko Miang Island, Similan Islands, Andaman Sea, Thailand, Southeast Asia, Asia

Ko Miang Island, Similan Islands, Andaman Sea, Thailand, Southeast Asia, Asia

Clipper ship anchored off Ko Miang Island, Similan Islands in the Andaman Sea, Thailand, Southeast Asia, Asia

Ko Miang Island, Similan Islands, Andaman Sea, Thailand, Southeast Asia, Asia

Rock formations of Ko Similan Beach, Phuket Island, Phuket, Thailand, Southeast Asia, Asia

Ko Miang Island, Similan Islands, Andaman Sea, Thailand, Southeast Asia, Asia

Rays of sunlight through the surface from underwater, on Similan Island, Thailand, Southeast Asia, Asia

Underwater shot of sun and light from below on Similan Island, Thailand, Southeast Asia, Asia

Giant sea anemone, Similan Island, Thailand, Southeast Asia, Asia

Similan Islands, Thailand, Southeast Asia, Asia

Schnorcheln vor tropischer Insel, Snorkeling woman

Ko Miang, Mu Ko Similan National Park, Similan Islands, Phang Nga province, Thailand, Asia

Ko Miang, Mu Ko Similan National Park, Similan Islands, Phang Nga province, Thailand, Asia

View to Ko Ba Ngu Island, also known as Ko Bayuor, Mu Ko Similan National Park, Similan Islands, Phang Nga province, Thailand, Asia