Shark Fin Reef

Shark Fin Reef – Dive Site Info
Rating by Luna Diving: ★★★★★
Location: Similan Islands
Type: semi-submerged pinnacle and boulders
Depth: 0-40 m Visibility: 20-40+ m
Difficulty: intermediate / advanced
Cruise: 6D/7N – High Season (15th Oct – 15th May)

Shark Fin Reef is an impressive underwater site characterized by a long line of massive granite boulders, extending from Similan Island #3 (Koh Payan) towards the south and east. Situated in close proximity to the Marine Sanctuary on Islands 1 and 2 (Koh Huyong and Koh Payang), this reef offers divers a diverse and captivating experience. The name of the dive site originates from the appearance of the boulders, which, in the middle section of the reef, break the surface in a series of peaks resembling a shark.

Divers typically begin their exploration of Shark Fin Reef on the southern side of the pinnacle, encountering a steep slope that meets the sand at approximately 25 meters. Alongside this slope, several sizable boulders provide hiding places for various marine creatures, including Moray Eels, Lionfish, and Scorpionfish. The sandy regions often host Blue Spotted Stingrays, and fortunate divers might even spot Leopard Sharks during their dive.

When the current allows, divers usually proceed northwest, tracing the ridge and gradually shallowing up to about 12 meters, where a flat plateau adorned with rocks and vibrant coral bommies awaits. This area of the reef tends to attract a plethora of fish due to its exposure to the current. A hidden gem within Shark Fin Reef is the presence of a stunning Bubble Anemone, distinguished by its unique and glowing pink color, nestled within a crack between rocks on the plateau.

Divers frequently encounter schools of Unicorn Fish, Surgeon Fish, and Snappers around the plateau, and if luck is on their side, they might even witness a large school of Chevron Barracudas. The occasional appearance of Napoleon Wrasse, along with the elusive and timid Hump Head Parrot Fish, provides divers with a unique and exclusive opportunity not found in other Similan Islands Dive Sites.

While exploring Shark Fin Reef, it is crucial to remain vigilant of the surrounding deep areas, as pleasant surprises such as the sighting of a passing Manta Ray or reef sharks may occur. During days with particularly strong currents, divers should be wary of potential down currents or up currents that could affect certain sections of Shark Fin Reef.