These islands in Vietnam offer a mix of quiet shorelines, limited infrastructure and distinct local character. This guide summarises how to reach five well-known islands, what visitors typically find there, and practical considerations to help plan a visit.
Islands in Vietnam: background and overview
Vietnam’s islands range from large, well-serviced destinations to small, sparsely inhabited strips of sand and rock. Several islands mentioned here lie in the South China Sea or the Gulf of Tonkin and belong to different coastal provinces, each with its own transport links and development level.
Some of these islands have regular boat or air connections, while others require a combination of road and boat travel. Accessibility shapes the visitor experience: places with airports or ferry terminals tend to have more accommodation and food options; islands with limited power or services remain largely undeveloped and attract travellers seeking low-key nature experiences.
Key highlights of each island
Co To, in Quang Ninh province, is part of an archipelago in the Gulf of Tonkin. From Hanoi, it commonly takes around five hours by road to reach Cai Rong port, where high-speed boats depart for the island. On Co To, visitors report sandy beaches such as Van Chay and Bac Van, rocky features like Cau My reef, and small attractions including a local park and memorials.
Ly Son belongs to Quang Ngai province and is reached by a roughly one-hour speedboat from Sa Ky port. The island is known for blue seawater, elevated viewpoints such as Thoi Loi mountain for sunset, and smaller islets suitable for swimming and sunbathing. Local religious sites and a garlic-growing tradition are notable features.
Diep Son is a chain of small islets administered by Khanh Hoa province, and it is best known for a sandbar that joins several of the islets and can be walked at low tide. Electricity on the island is reported to run only for a few evening hours, so most visitors make day trips, and overnight stays typically require bringing camping gear and supplies.
Phu Quoc, the largest of the five, is part of Kien Giang province and lies about 120 kilometres from Rach Gia. It has an international airport, a broad range of accommodation and attractions distributed across north, east and south parts of the island, from pepper gardens and snorkeling spots to beaches and local fishing villages.
Con Son (Con Dao) belongs to Ba Ria–Vung Tau province and is described as relatively secluded. Travel time from Ho Chi Minh City is listed as around 45 minutes by rotorcraft. Visitors commonly cite quiet forest areas, multiple beaches, coral reefs, and historical sites among the island’s draws.
Practical tips for planning visits
Timing and transport matter: travel times and available services differ sharply between islands. Phu Quoc’s airport makes it possible to arrive by air from several domestic centres, while islands like Diep Son have only boat access and limited facilities. For seasonal planning, refer to broader regional guidance about weather and travel windows; for example, consult a seasonal overview on when to visit Vietnam to match island choices with likely conditions.
Pack and plan for infrastructure levels. On islands with limited electricity or few restaurants—Diep Son and some parts of Co To—visitors typically bring water, snacks and equipment for overnight stays. Phu Quoc and Con Son have more options for accommodation and dining, but remote beaches on any island may lack shade and supplies.
- Book transport in advance in high season; boat services can fill quickly.
- On islands with limited power, bring a portable charger and a headlamp.
- If camping on Diep Son, prepare to carry all waste off the island and respect local routines.
- For month-specific weather planning, see resources such as Vietnam weather in May for an example of how conditions change through the year.
Cultural and environmental context
Each island supports distinct local livelihoods: small-scale fishing, pepper or garlic cultivation, and tourism services where infrastructure allows. Visitors report that local communities on smaller islands maintain traditional routines, and that respectful behaviour—low noise, minimal litter and sensitivity at religious sites—helps preserve both daily life and natural habitats.
Environmental constraints shape rules and expectations. On islands with coral reefs and fragile shorelines, local authorities and community groups sometimes manage access to sensitive areas to protect marine life. Travellers should expect modest service levels on less-developed islands and check local guidance for permitted activities such as camping or campfires.
Who these islands suit
Different islands meet different traveller preferences. Phu Quoc is generally the most convenient for travellers seeking variety in accommodation, food and day-trip options. Ly Son offers coastal scenery and viewpoints for visitors interested in short hikes, sea baths and local produce such as garlic. Co To attracts groups and families who want beaches with some evening amenities, as well as travellers looking for quieter coastal stays.
Diep Son appeals to people prepared for minimal facilities and an active, daylight-focused visit—walks along the sandbar and simple camping are typical. Con Son suits travellers who want forested areas, historical sites and a quieter island environment that includes several beaches and reefs to explore.
- Families often choose islands with steady accommodation options (Co To, Phu Quoc).
- Friends or photographers may prefer islands with scenic sandbars and viewpoints (Diep Son, Ly Son).
- Travellers seeking quiet nature and historical sites may find Con Son appropriate.
Comparison and alternatives
Below is a concise table comparing the five islands on key practical points reported in regional sources. Use it to match an island to the type of trip planned.
| Island | Province | Typical access | Main highlights | Suited for |
|---|---|---|---|---|
| Co To | Quang Ninh | About 5 hrs by road to Cai Rong then high-speed boat | Sandy beaches (Van Chay, Bac Van), rock reef (Cau My), park and memorials | Families, small groups seeking easy beach access |
| Ly Son | Quang Ngai | ~1 hour by speedboat from Sa Ky port | Blue seawater, Thoi Loi viewpoint, pagodas, garlic farms | Sightseers, photographers, short-stay visitors |
| Diep Son | Khanh Hoa | Boat access; day trips common | Walkable sandbar through several islets, basic camping | Day-trippers, campers prepared for minimal services |
| Phu Quoc | Kien Giang | Has an international airport; ~120 km from Rach Gia by sea | Beaches, snorkeling, pepper gardens, fishing villages | General tourists, families, snorkelers |
| Con Son (Con Dao) | Ba Ria–Vung Tau | Reportedly ~45 minutes by rotorcraft from Ho Chi Minh City | Forests, multiple beaches, coral reefs, historical sites | Nature lovers, history-minded travellers |
Frequently Asked Questions
How do I choose which island to visit?
Consider access, infrastructure and activities. Phu Quoc has the most transport and services; Diep Son has minimal facilities but a distinctive sandbar; Ly Son and Co To offer coastal scenery and local culture; Con Son appeals to those seeking quieter nature and historical sites. Match the island’s character to the travel style desired.
Are these islands suitable for families with children?
Many families choose islands with steady accommodation and dining options such as Co To or Phu Quoc. Islands with limited services—particularly Diep Son—require extra preparation if bringing children, including food, water and shelter arrangements.
Is camping possible on any of these islands?
Camping is reported on Diep Son for visitors prepared to bring all supplies and equipment. On other islands, camping may be possible in designated areas, but most travellers rely on local guesthouses or resorts. Confirm local rules before camping and avoid leaving waste behind.
When is the best time to plan a trip to these islands?
Seasonal weather varies by region. Coastal islands in northern Vietnam will have different ideal months than those in the south. For an overview of optimal months across the area, consult seasonal travel guidance such as a general when to visit Vietnam resource and month-specific weather notes like Vietnam weather in May when planning dates.
Are there environmental rules to be aware of?
Visitors should follow local guidance to protect reefs and shorelines: avoid anchoring on coral, remove trash, and respect any restricted zones. On islands with limited infrastructure, conserving water and power supports local communities and helps maintain conditions for future visitors.