Spend a full day snorkeling the An Thoi archipelago off Phu Quoc, visiting Kim Quy, Gam Ghi and Hon May Rut. Expect guided reef swims, a boat lunch, and easy transfers from Duong Dong.
Spend a full day snorkeling the An Thoi archipelago off Phu Quoc, visiting Kim Quy, Gam Ghi and Hon May Rut. Expect guided reef swims, a boat lunch, and easy transfers from Duong Dong.
The day begins before the sun climbs high: an air-conditioned minibus collects you from Duong Dong and delivers you to An Thoi harbor, where a motorboat waits to cut across a green-blue sea. Waves nudge the hull like a curious guide; the boat pushes you toward clear shallows and scattered islets where coral gardens slope away into cobalt.
Verified experiences and guided adventures in the surrounding area.
Operated by Local Tours Ha Giang · Duong Dong, Kien Giang Province
The day begins before the sun climbs high: an air-conditioned minibus collects you from Duong Dong and delivers you to An Thoi harbor, where a motorboat waits to cut across a green-blue sea. Waves nudge the hull like a curious guide; the boat pushes you toward clear shallows and scattered islets where coral gardens slope away into cobalt.
These three islands—Kim Quy, Gam Ghi (near Hon Xuong), and Hon May Rut—sit at the southern edge of Phu Quoc’s An Thoi archipelago. Geologically they are limestone and sand, swept by seasonal currents that shape fringing reefs and small sandy beaches. The area has long been a local fishing ground and was historically linked to pearl diving and small-scale trade between the Mekong delta and Khmer coast.
Underwater, expect staghorn, brain and boulder corals and shoals of parrotfish and snapper; sea turtles are occasional visitors. The guides brief on reef etiquette, fit masks and provide life jackets before each swim. Lunch is served onboard—simple, local fare—giving a quiet hour to dry off and watch the wind move across the water.
Practical guide: the full outing runs about 8–9 hours, with multiple snorkeling stops of 30–90 minutes and short boat transfers. Bring reef-safe sunscreen, a tight mask and a vest if you’re not a strong swimmer. Morning departures usually offer the calmest seas; afternoon light is better for photos.
Plan for sun, salt, and a steady rhythm of boat engine, splash, and silence—this is snorkeling designed for easy access to healthy reef pockets, experienced guides, and a comfortable on-board base for a long tropical day.
The full tour is about 8–9 hours, including hotel transfer, multiple snorkeling stops and an onboard lunch.
No—basic swimming skills are sufficient; life jackets and floatation vests are provided for less confident swimmers.
Guides typically provide masks, snorkels and life jackets, though bringing your own mask ensures the best fit.
Restrooms are available at the departure harbor and sometimes on larger boats; plan accordingly before boarding.
Local Tours Ha Giang operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




The day begins before the sun climbs high: an air-conditioned minibus collects you from Duong Dong and delivers you to An Thoi harbor, where a motorboat waits to cut across a green-blue sea. Waves nudge the hull like a curious guide; the boat pushes you toward clear shallows and scattered islets where coral gardens slope away into cobalt.
The day begins before the sun climbs high: an air-conditioned minibus collects you from Duong Dong and delivers you to An Thoi harbor, where a motorboat waits to cut across a green-blue sea. Waves nudge the hull like a curious guide; the boat pushes you toward clear shallows and scattered islets where coral gardens slope away into cobalt.
These three islands—Kim Quy, Gam Ghi (near Hon Xuong), and Hon May Rut—sit at the southern edge of Phu Quoc’s An Thoi archipelago. Geologically they are limestone and sand, swept by seasonal currents that shape fringing reefs and small sandy beaches. The area has long been a local fishing ground and was historically linked to pearl diving and small-scale trade between the Mekong delta and Khmer coast.
Underwater, expect staghorn, brain and boulder corals and shoals of parrotfish and snapper; sea turtles are occasional visitors. The guides brief on reef etiquette, fit masks and provide life jackets before each swim. Lunch is served onboard—simple, local fare—giving a quiet hour to dry off and watch the wind move across the water.
Practical guide: the full outing runs about 8–9 hours, with multiple snorkeling stops of 30–90 minutes and short boat transfers. Bring reef-safe sunscreen, a tight mask and a vest if you’re not a strong swimmer. Morning departures usually offer the calmest seas; afternoon light is better for photos.
Plan for sun, salt, and a steady rhythm of boat engine, splash, and silence—this is snorkeling designed for easy access to healthy reef pockets, experienced guides, and a comfortable on-board base for a long tropical day.