Must see
Cave
Tunnel
Sharks
Gato Island, one of most well-known sites, is a marine reserve and sea snake sanctuary. Breeding sea snake's season lasts from March to September. This site includes at least 5 dive sites: Whitetip Alley, Nudibranch City, The Guardhouse reef, The Cave, The Tunnel and Cathedral rock. The Guardhouse reef is suitable for novice divers, other four sites are for experienced divers. The Tunnel is especially great - it is a 30m/98ft tunnel houses all the usual cave dwellers: crabs, lobsters and cardinal fish, also it is home to whitetip sharks. The cave has some overhangs and many swim troughs
When To Go Diving
The water temperature ranges from 27°C/81°F to 30°C/86°F. In December, January and February the water temperature decreases to around 25°C/77°F. The average air temperature is 27-32°C/81-89°F. The best visibility is from June to September
What to see
There is an abundance of marine species such as banded sea snakes, stingrays, tuna, snappers, nudibranchs, porcupine fish, cuttlefish, seahorses, puffer fish, scorpion fish and mantis shrimp. Away from the reef divers can see schools of squid and big-mouthed mackerel. Island is known for sightings of sharks such as the cat, bamboo and white tip reef sharks resting in the cave and under rocks