Roi Island

I. Prime Location & Untouched Beauty

Hon Roi Island is a hidden gem of untouched wilderness, located in the southern part of the archipelago, approximately 12km from An Thoi Port.

• Conservation Status: As a key part of the Kien Giang Biosphere Reserve, Hon Roi is distinguished by its crystal-clear turquoise waters, flourishing coral reefs, and a raw, pristine ecosystem.

• The Experience: This site is the ultimate destination for those seeking an authentic diving experience focused on exploration and natural discovery.

II. Optimal Depths for Experienced Divers

The Hon Roi dive site offers a diverse depth profile that provides both challenge and excitement:

• Depth Range: Ranging from 3 to 12 meters, with an ideal average depth of 5–10 meters—perfect for Scuba Diving and seasoned divers.

• Diving Zones:

  • Shallow Inshore (3–6m): Ideal for high-quality snorkeling and surface exploration.

  • Deep Reef (8–12m): Offers a sense of adventure for certified divers exploring the deeper structures.

• Diving Conditions: Boasts exceptional visibility of 5–15 meters during the dry season (October – April).

III. Dramatic Landscapes & Giant Fan Corals

The underwater scenery at Hon Roi resembles a wild aquatic gallery, blending majestic geology with a dense marine population:

1. Granite Cliffs and Secret Crevices

• Granite Topography: Dramatic granite walls jut out to form narrow crevices and small underwater “caves” at depths of 6–10 meters.

• White Sand Seabed: Massive boulders are scattered across a fine white sand floor, interspersed with expansive coral reefs covering hundreds of square meters.

• Lighting Effects: The clarity of the water allows sunlight to pierce through the rocky passages, creating shimmering light beams—a true paradise for underwater photography in Phu Quoc.

2. Coral Treasures: The Giant Sea Fans

The corals at Hon Roi are the “crown jewels” of this site, featuring over 200 strictly protected species:

• Giant Fan Corals (Gorgonians): The signature attraction, featuring massive, undulating sea fans that sway like giant wind-catchers in the current.

• Hard Corals: Navigate through winding Brain Corals that form underwater labyrinths and expansive Table Corals.

• Variety: Includes vertical Tube Corals, vibrant Branching Corals, Mushroom Corals, and delicate sea whips.

IV. Marine Life: A Rare Oceanic World

With over 150 recorded species, Hon Roi offers an encounter with some of Phu Quoc’s most surprising and rare marine inhabitants:

• Tropical Reef Fish: Schools of Clownfish (Nemo) tucked safely in anemones, shimmering Butterflyfish, colorful Parrotfish, and tiny, graceful Seahorses.

• Macro & Mollusks: Spot camouflaged crabs, mini lobsters, Mantis Shrimp, and masterfully disguised Cuttlefish. Look for the brilliant Spanish Dancer Nudibranch with its vivid ribbons.

• Rare & Large Species: Discover Moray Eels lurking in rocky cracks, giant Groupers, passing Sea Turtles, and Stingrays resting silently on the sandy floor.

• Seafloor Biodiversity: The reef is further populated by Starfish, Sea Urchins, and magnificent Giant Clams.