Snorkeling in Vietnam

Đảo Bé - also known as An Bình Island or Cù Lao Bờ Bãi - is a small outer island 3 nautical miles northwest of Lý Sơn's main island, reachable by a 10-15 minute boat ride. With clearer water, more intact coral reefs, and a fraction of the crowds of the main island, it's the best snorkeling location in the Lý Sơn archipelago and a quieter alternative for a half-day by the sea.

Ba Hòn Đầm is a cluster of three small islands in the Bà Lụa Archipelago, Kiên Lương - known as the 'mini Ha Long of the South', 20km offshore with calm shallow water between the islands, colourful pebble beaches, and bioluminescence at night from November to April.

Cô Tô Island in Quảng Ninh province is one of northern Vietnam's most pristine island destinations - an archipelago of nearly 50 islands in the Gulf of Tonkin with white sand beaches, clear turquoise water, coral snorkeling, and an unhurried fishing village atmosphere far removed from the crowds of Hạ Long Bay. Accessible by fast ferry from Ao Tiên port in approximately 2.5 hours.

Con Dao National Park - Vietnam's premier wildlife and marine conservation area. 19,883 hectares, Ramsar Wetland since 2013. Vietnam's most important sea turtle site: 400+ turtles nest annually. Three endemic species found nowhere else on earth. Rainforest trekking, coral reefs, dugong, and sea turtles in one protected area.

Bãi Đầm Trầu is one of the most striking beaches on Côn Đảo - a 1km crescent of fine white sand backed by primary rainforest, ranked in Travel + Leisure's Top 25 Beaches in the World in 2021. Its most unusual feature: it sits directly below the flight path of Cỏ Ống Airport, where planes pass just overhead on approach - one of the only places in Vietnam where you can swim while watching aircraft land.

Điệp Sơn is a remote island cluster in northern Khánh Hòa where a narrow tidal sandbar connects three islands at low tide - one of Vietnam's most photogenic natural phenomena, reached by boat from Vạn Giã fishing port.

The Hai Tac Islands are a remote archipelago of 16 islands in the Gulf of Thailand off the Kien Giang coast, historically known as the Pirate Islands. One of the least visited island groups in Vietnam, with coral reefs, white sand beaches, and almost no tourist infrastructure.

Hang Câu is Lý Sơn's most dramatic coastal spot - a beach at the base of Núi Thới Lới where vertical basalt cliffs meet turquoise water and coral reefs. The combination of volcanic cliff faces, clear water, and accessible snorkeling makes it the island's top swimming and photography destination.

Hòn Khô is a small uninhabited rocky island northeast of Quy Nhơn, known for clear turquoise water, coral reefs, dramatic boulder coastline, and a seasonal golden seaweed (rong mơ) spectacle from May to July when the sea floor turns gold.

Hòn Mun Island is the core zone of Nha Trang Bay Marine Protected Area, historically the best diving and snorkeling site in the bay - though its coral reefs have suffered serious, well-documented decline since 2020, and current conditions are a genuine mixed bag rather than the pristine reef of older travel guides.

Hòn Sơn is a large mountainous island in the Gulf of Thailand, Kiên Giang - calmer seas and a shorter crossing than Phú Quý, with clear water, Ma Thiên Lãnh peak, fishing villages, and almost no resort development. Minimum 2 nights to do it properly.

Hòn Tằm is Nha Trang Bay's most developed private island - a resort island 5km offshore with white sand beaches, clear water, water sports, and coral snorkeling, reached by speedboat in 15 minutes from Cầu Đá pier.

Hòn Yến is a small coral island 15km north of Tuy Hòa in Phú Yên - two islands (Hòn Yến and Hòn Sụn) connected by a rock path at low tide, with exposed coral reefs, lobster farming, and floating seafood restaurants. Named for the swifts that once nested here.

Kỳ Co Beach is a secluded 1km² cove near Quy Nhơn with turquoise water, golden sand, and dramatic cliff scenery - 25km from Quy Nhơn city, accessible by speedboat from Nhơn Lý fishing village or by road year-round.

Lan Hạ Bay is the southern section of the Ha Long karst system - 400 limestone islands, hidden beaches, floating fishing villages, and some of the clearest water in the Gulf of Tonkin, with a fraction of Ha Long's boat traffic and far better kayaking conditions. The bioluminescence night kayaking tour is an experience Ha Long Bay doesn't offer.

Nam Du is Vietnam's southernmost island archipelago - 21 islands in the Gulf of Thailand, closer and cheaper than Phú Quốc, with clearer water, outer islands for snorkeling, and a genuine fishing community character. 2 hours from Rạch Giá by high-speed ferry.

Bãi Nhát is one of Côn Đảo's most dramatic beaches - a tide-dependent stretch of white sand and multicoloured rock formations on the road between Con Son town and Bến Đầm port. Ranked among the top 6 wild beaches in Asia, it is best known for its sunset views across to Đỉnh Tình Yêu (Love Peak), its boulder-strewn shoreline that vanishes completely at high tide, and the memorial to 198 prisoners who attempted a failed escape from the island in 1952.

Phú Quý Island (also known as Cù Lao Thu) is a remote coral island 120km off the Bình Thuận coast with some of the clearest water and best diving in southern Vietnam - a 2.5 to 3.5 hour ferry from Phan Thiết that delivers a genuine fishing island experience with minimal resort infrastructure.

Six Senses Beach is the most beautiful stretch of coastline on Côn Đảo - a crescent of white sand and clear turquoise water fronting the Six Senses resort, with coral just offshore and the forested national park hills rising directly behind the beach.