Co To Island – northern Vietnam’s far-flung beach island
Co To Island lies about 80 km off the coast of Quang Ninh province, out in the Gulf of Tonkin near the northeastern edge of Vietnam. It is the main island of the Co To archipelago, a group of more than 40 islands, and the one set up for visitors to stay on. For somewhere so remote, it is surprisingly green and well kept, with white-sand beaches backed by casuarina and pine forest, clear water, and rocky headlands that make for dramatic coastal scenery. It is small enough to explore in a day or two on a motorbike, yet feels a world away from the mainland.
Life on Co To revolves around fishing and aquaculture, and the island has a frontier, end-of-the-country character, with a community drawn from various coastal regions. What stands out most is how clean it is. The island takes its environment seriously, with a strong stance against single-use plastic, and the streets and many of the beaches are noticeably tidier than in most Vietnamese tourist spots. Tourism is still developing here and remains overwhelmingly domestic, so you will meet far more Vietnamese holidaymakers than foreign travelers. It draws people who come for beaches, fresh seafood, and quiet, rather than sightseeing or nightlife.
Things to do at Co To Island
For all its remoteness, Co To has enough to fill a day or two, though the real draw is simply the beaches and the slow pace. The named sights are modest and more about the scenery and the sunrises than big attractions. Here is what there is to do, with the beaches covered in full in the next section.
Enjoy the beaches
The beaches are the heart of any trip to Co To, with some of the clearest water in northern Vietnam and a calm, unhurried feel. Most days here revolve around swimming, lazing on the sand, and watching the sunrise or sunset, with a few water activities like kayaking and paddleboarding on the calmer stretches. There is more on each beach, and which to choose, in the dedicated section below.
Mong Rong and Cau My rocks
On the southern coast, Mong Rong, or Dragon’s Claw, is a stretch of layered rock formations and small cliffs that is the island’s most photogenic spot. At certain times of year the stones take on a green, mossy tint, and the eroded textures of the nearby Cau My reef are striking in their own right. It is at its best around sunrise, when the light is soft and the crowds are thin, so it is worth an early start to climb up onto the ridge for the view.
Co To Lighthouse
The lighthouse sits on a forested hill near the center of the island, around 100 metres above the sea, reached by a narrow road that climbs through the trees. You cannot always go up the tower itself, but an observation deck on the building beside it gives a sweeping panorama over the island, the surrounding sea, and the scattered islets. It is one of the few places to get a proper overview of Co To, and a popular stop for photos.
The Love Road and Ho Chi Minh monument
Near the town center is a two-kilometre lane lined with casuarina trees, known as the Love Road, pleasant for a walk or a slow cycle in the late afternoon. Close by stands a monument to Ho Chi Minh, marking his visit to the island in the 1960s, said to be the only place he agreed to have a statue raised in his lifetime. Together they make an easy, low-key stroll rather than a major sight.
Choi primeval forest
Near Bac Van and Hong Van beaches is a forest of ancient choi trees, some hundreds of years old, their trunks twisted and stunted by the constant wind and salt. Lining the road to the beach, they are an unusual and atmospheric sight, especially in the early morning when a little mist hangs in the trees. It is a quick stop rather than a long walk, but a nice contrast to the open beaches.
Ky Con night market and squid fishing
In the evening, the Ky Con walking street in Co To town comes alive with seafood barbecue stalls, grilled squid skewers, drinks, and souvenirs, and it is the main place to spend the night hours. For something more memorable, you can head out with a local fisherman to try night squid fishing, then have your catch grilled back on shore. It is a simple, local kind of nightlife rather than bars and clubs.
Nearby islands: Co To Con and Thanh Lan
A boat trip to the smaller islands is an easy half-day out. Co To Con, or Little Co To, is uninhabited, with white-sand beaches and clear water good for swimming and snorkelling, though you cannot stay overnight. Thanh Lan, about 2 km away, has cool primeval forest and quiet beaches to explore. Boats are arranged through your accommodation, and these trips are best in calm, summer weather.
The beaches of Co To
The beaches are the heart of a Co To trip, and the main reason to make the long journey out here. The water is among the clearest in northern Vietnam, and the sand is soft and pale, backed in places by forest. One honest note: despite the island’s strong green reputation, a few beaches still collect litter in spots, especially in peak season, though they remain cleaner than most. Here are the main ones and what each is like.
Hong Van Beach
Hong Van, on the east side of the island, is the most popular beach and a good all-rounder. The water is calm, clear, and shallow, which makes it well suited to families and weaker swimmers, and there are views across to the neighbouring islands. It is set up for visitors, with kayaking, paddleboarding, and places to rent gear, so it is the liveliest of the beaches without feeling crowded.
Van Chay Beach
On the western coast, Van Chay is the beach for waves and sunsets. It is long, wide, and more open than Hong Van, with bigger surf that suits stronger swimmers but calls for an eye on children. In the late afternoon, vendors set out chairs and sunshades, and it becomes the spot to swim, drink a coconut, and watch the sun drop over the sea. The water is clean and the setting spacious, even if the sand is not the whitest on the island.
Tinh Yeu (Love) Beach
Tinh Yeu, or Love Beach, sits close to Co To town, just over a kilometre from the center, which makes it the easiest to reach. The waves are gentle and the water clear, good for a casual swim, and it is a fine place to watch the sunrise. There is a boat dock at one end that is less tidy, with some litter and runoff, but the swimming area itself is pleasant, and a few relaxed cafes sit near the shore.
Bac Van Beach
At the northern tip of the island, Bac Van is the quietest and most pristine of the beaches, well away from the busier center. When the tide goes out, the sand widens into rippled flats, and rows of old casuarina trees line the shore. The water on this northeastern side is especially blue and clear, and the road out to it, running up from Hong Van, is scenic in itself. It suits anyone after solitude and a slower, wilder feel.
How to get to Co To Island
Reaching Co To takes some effort, and it is the main thing to plan carefully. The journey has two stages: getting to the port at Van Don on the mainland, then a boat across to the island.
Getting to the port (Van Don)
First you need to reach Van Don, around 3.5 to 4 hours from Hanoi. The easiest options are a limousine van or a private car, both running door to door, while cheaper public buses take a little longer. Boats to Co To now leave from Ao Tien Port, the modern passenger port that replaced the older Cai Rong Port a few years ago, though some operators and listings still refer to Cai Rong, so double-check which your ticket uses.
The boat to the island
From Ao Tien, speedboats are the usual choice, taking around 1.5 hours, with several departures a day in season. Slower boats also run, costing less but taking two to three hours, with fewer sailings. Schedules thin out in low season and depend heavily on the weather, so they are not guaranteed. The crossing can get bumpy in the open stretch of sea, which is worth knowing if you are prone to seasickness.
Booking and timing
In summer and on public holidays, book your boat a day or two ahead, as popular departures sell out and you may not get your preferred time. Give yourself a buffer rather than planning a tight connection, since sailings can be delayed or cancelled in bad weather. Note too that the last boats leave in the afternoon, so if you arrive in Van Don late, you may have to spend the night on the mainland and cross the next morning.
Staying on Co To Island
Accommodation on Co To is simple and aimed at domestic visitors, so set your expectations accordingly. Most options are homestays, guesthouses, and small hotels in and around Co To town, with a handful of basic resorts near the beaches. Rooms are generally clean and comfortable enough, but this is a low-key island, so do not expect the polish or facilities of a mainland beach resort. Staying in or near the town is the most convenient base, as it puts you close to the restaurants, the night market, and motorbike rental, with the beaches a short ride away.
A practical tip worth knowing is that many places sell combo packages bundling your boat tickets with accommodation, which often work out cheaper than booking each separately and help secure your boat seat in busy periods. Whatever you choose, book ahead in summer and on public holidays, when the island fills with Vietnamese holidaymakers and rooms sell out fast. Outside those peak times, you can often turn up and negotiate a room on arrival, but it is a gamble in high season.
Practical tips and visiting information
Best time to visit
The best months are April to June and September to October, when the seas are calm, the skies are clear, and the water is at its best for swimming. July and August bring the highest risk of rain and typhoons, which can cancel boats and strand travelers, so they are the months to approach with caution. The cooler period from November to March is quiet and can be pleasant for walks and scenery, but it is generally too cold for proper beach days.
Getting around
The island is small and best explored under your own steam. Renting a motorbike or electric bike is the most popular way to get around, easily arranged through your accommodation, and it gives you the freedom to reach the beaches, the lighthouse, and the rock formations at your own pace. For groups or those who would rather not drive, many hotels can arrange an electric cart with a driver.
Money and connectivity
Bring enough cash for your whole stay. ATMs are very limited and many homestays, restaurants, and rental places only take cash or bank transfer, so you do not want to be caught short. Mobile coverage is generally fine in town but can be patchy in remote corners of the island, so it is worth downloading an offline map before you arrive to find beaches, viewpoints, and your accommodation.
Food and seafood
Seafood is a highlight, and it is about as fresh as it gets. Local specialties worth trying include abalone, sea urchin, mantis shrimp, and the unusual sa sung, a type of sea worm, alongside the usual grilled squid, oysters, and fish. The catch comes in at dawn, so the morning market has the best choice, and popular items can sell out by midday. Pre-ordering with your homestay is the easiest way to be sure of what you want.
The no-plastic rule and respecting the island
Co To is serious about protecting its environment and discourages single-use plastic, so avoid bringing plastic bottles and bags, and take any rubbish away with you. It is also a working fishing community, so be considerate: ask before photographing people at work, and avoid disturbing nets and gear left out along the beaches.
Is Co To Island worth visiting?
It depends entirely on the kind of trip you are on. Co To is a genuinely lovely beach island, clean, quiet, and with some of the clearest water in northern Vietnam, and for the right traveler it is a rewarding escape. But it is a long way out, and getting there and back eats up a good chunk of time, which is the main thing to weigh against everything else Vietnam has to offer.
For most first-time visitors on a standard two or three week trip, it is hard to justify. The days spent reaching Co To would almost always be better spent on Halong Bay, Ninh Binh, Sapa, or Hanoi, and as a pure beach destination, the central and southern coasts are warmer, easier to reach, and good for far more of the year. Going this far north for a beach only really makes sense if the journey itself is part of the appeal.
Where Co To comes into its own is for people with more time and a taste for the road less travelled. If you live in Vietnam, are visiting again, or simply want a quiet, local beach island that few foreigners ever reach, it delivers exactly that, especially in summer when the weather is at its best. Taken on those terms, as an off-the-beaten-track escape rather than a standard stop, Co To is well worth it.
