Bach Long Vi sits about 110 km off the coast of Hai Phong, a speck of volcanic rock in the Gulf of Tonkin that most Vietnamese people have heard of but almost nobody has actually visited. It's barely 3 square kilometers. There are no resorts, no ATMs, no paved tourist trail. If you're looking for a beach holiday, this isn't it. But if you're the kind of traveler drawn to genuinely remote places — somewhere with real edges — Bach Long Vi is one of the most singular spots in northern Vietnam (베트남 / 越南 / ベトナム).

What It Is

Bach Long Vi is a small island commune administered by Hai Phong. About 500-600 people live here, mostly fishermen and their families, along with government workers and a small contingent of officials. The island is volcanic in origin — unusual for Vietnam — with a rocky coastline, limited freshwater, and sparse vegetation. It's flat, windy, and feels more like a mid-ocean atoll than anything you'd associate with the lush Vietnamese coast.

There's a lighthouse, a small community center, a health clinic, a few shops selling basics, and not much else. The island runs partly on solar and diesel generators. Mobile signal exists but is unreliable. This is a working fishing community, not a tourist destination — and that's exactly what makes it interesting to a certain type of visitor.

Why Travelers Go

Honestly? Very few do. Bach Long Vi gets maybe a handful of independent travelers per year, plus occasional organized groups. People come for the remoteness itself — the experience of being on a tiny island far from the mainland with almost no outside contact. The waters around the island are clean and rich with marine life. The reef system is considered one of the healthier ones in the Gulf of Tonkin. If you're into snorkeling, diving, or fishing, the underwater environment here is a genuine draw. Birdwatchers also find it interesting during migration seasons.

The other reason is bragging rights, frankly. Bach Long Vi is hard to get to, and that alone appeals to completionist travelers ticking off Vietnam's most obscure corners.

Best Time to Visit

April through August. The sea is calmest from May to July, which matters enormously because the boat ride is the bottleneck. Swells during the northeast monsoon (October to March) regularly cancel sailings for weeks at a stretch. Even in summer, weather windows can shift fast. June and July give you the best odds of actually getting there and back without being stranded.

Avoid September through November entirely — typhoon season in the Gulf of Tonkin is no joke, and Bach Long Vi has minimal shelter infrastructure.

How to Get There

From Hai Phong, you take a cargo-passenger vessel from the Ben Binh port area. This is not a tourist ferry — it's a supply ship that carries goods, fuel, and people to the island on a semi-regular schedule. Departures are roughly every 7-10 days depending on weather and demand, though the schedule shifts constantly.

The crossing takes approximately 10-14 hours depending on sea conditions. Expect to pay around 300,000-500,000 VND for a one-way ticket, though prices can vary. There's no online booking — you'll need to check at the port or call ahead. Some travelers arrange passage through contacts in Hai Phong's fishing community.

A few important points: the boat is basic. Bring your own food, water, sunscreen, and motion sickness medication. There are no cabins — passengers sleep on deck or in shared open areas. The return trip is subject to the same weather-dependent scheduling, which means you could be on the island longer than planned. Budget flexibility is non-negotiable.

If you're coming from Hanoi, take the bus or train to Hai Phong first — about 2 hours by expressway bus (around 120,000 VND) or 2.5 hours by train.

Explore the stunning basalt rock formations at Ganh Da Dia in Phú Yên, Vietnam's picturesque coastline.

Photo by Haneul Trac on Pexels

What to Do

Walk the Island

You can circumnavigate Bach Long Vi on foot in a couple of hours. The rocky shoreline is the main attraction — dark volcanic stone, tidal pools, and a coastline that looks nothing like mainland Vietnam. The lighthouse at the island's highest point gives you a 360-degree view of open ocean.

Snorkel or Dive the Reef

The coral reefs off Bach Long Vi are in relatively good shape. You'll need to bring your own gear or arrange it in advance — there are no dive shops on the island. Local fishermen can take you out by boat to the better reef spots for a negotiated fee (expect 200,000-500,000 VND depending on distance and time). Visibility is best from May to July.

Go Fishing with Locals

Ask around at the small harbor. Fishermen here are generally welcoming and some will take visitors out for a morning trip. You'll see squid fishing at night and net fishing during the day. This isn't a charter operation — it's joining a working boat. Bring a hat, water, and cash to pay your share.

Visit the Lighthouse and Weather Station

The Bach Long Vi lighthouse is a modest but functional structure. The island's weather station has been operating for decades. Neither is a formal tourist site, but the staff are usually happy to chat if you're respectful and bring a small gift (snacks from the mainland go over well).

Just Sit

Seriously. Part of the Bach Long Vi experience is the absence of things to do. No wifi doom-scrolling, no cafe-hopping, no itinerary pressure. You sit on volcanic rock, watch fishing boats, and listen to wind. It recalibrates something.

Where to Eat

There are no restaurants. A few small shops sell instant noodles, canned goods, and basic supplies. Some families may cook meals for visitors if asked politely — fresh seafood is abundant, and you'll likely eat simply grilled fish with rice. Bring supplementary food from Hai Phong: crackers, fruit, "banh mi" fixings, instant coffee. Fresh water is limited on the island, so bring more than you think you'll need.

If you're passing through Hai Phong before or after, make time for "banh da cua" — the city's signature crab noodle soup — and the seafood stalls around Do Son.

Where to Stay

There are no hotels or guesthouses. Visitors typically stay with local families (homestay-style) or at the community guesthouse, which has basic rooms. Expect to pay 100,000-200,000 VND per night. Bring a sleeping bag liner or light blanket — bedding is minimal. A hammock isn't a bad backup plan either.

A lighthouse stands tall on a lush, rocky island surrounded by the serene ocean.

Photo by Serg Alesenko on Pexels

Practical Tips Locals Would Tell You

  • Bring cash. There are no ATMs and no card machines. Bring more VND than you think you'll need — if you get stuck an extra few days, you'll want it.
  • Pack a basic first-aid kit. The health clinic handles emergencies but has limited supplies. Cuts from volcanic rock get infected fast in tropical humidity.
  • Introduce yourself to the commune authorities when you arrive. This is a small, tight community. Being transparent about who you are and why you're visiting makes everything smoother.
  • Bring gifts. Fruit, snacks, instant coffee, or children's school supplies from the mainland are appreciated and open doors.
  • Charge everything before you go. Power on the island runs on a schedule — not 24 hours.

Common Mistakes

  • Assuming you can just show up and leave when you want. The boat schedule controls everything. If weather turns, you're staying.
  • Underpacking food and water. The island has very limited supplies. Self-sufficiency is key.
  • Expecting a beach vacation. The coastline is mostly rock. There are small patches of sand, but this isn't Phu Quoc or Ha Long Bay.
  • Not telling anyone your plans. Let someone on the mainland know your itinerary. Communication from the island is unreliable.

Practical Notes

Bach Long Vi is not for casual tourists. It requires flexibility, preparation, and a genuine comfort with uncertainty. But for travelers who've already explored Hai Phong, Ha Long Bay (하롱베이 / 下龙湾 / ハロン湾), and Cat Ba and want something radically different in the north, this island delivers an experience you won't find anywhere else in Vietnam. Just don't expect it to be easy.

— FIN —

Last updated · May 19, 2026 · independently researched, never sponsored.