1. Where is Soi Sim Island?
Soi Sim is an island located in the southeast of Ha Long city. And in the center of Ha Long Bay. Soi Sim Island is 12 km from Tuan Chau international passenger port, equivalent to about 90 minutes by boat. About 15 km from HaLong city and about 165 km from Hanoi capital to the east.

2. How is Soi Sim Island unique?
The island has a special geological structure, with 2/3 of the area covered by Feralit soil and red weathered soil. Therefore, the island has a rich ecosystem, thick vegetation and especially many sim trees. If you are planning to travel to Ha Long, do not forget to visit this attractive destination for more experiences.
The name of Soi Sim Island comes from the sim tree, a tree species grown a lot on the island. If you visit here in the summer from May to August, you will see purple sim flowers blooming all over the hillsides, creating an extremely poetic scene. In the past, when the sim season came, fishermen in Ha Long Bay often went to the island to pick sim and that is the reason for the name: Soi Sim.
Although it has only been exploited for about 10 years, Soi Sim Island has become the most attractive destination in Quang Ninh tours. The biggest attraction of this island is the green vegetation, the pristine landscape, the fresh air and the crystal clear beaches.
3. When is the best time to visit Soi Sim Island?
The ideal time to travel to Soi Sim Island is from March to May and from August to October every year. During this time, the weather is cool, pleasant and dry. It is sunny but not too harsh, and there is especially little rain, the trees and grass are green. It is very suitable for you to move, visit, explore and participate in outdoor activities.
From May to August is the season of Sim flowers blooming, the purple color of the flowers dyes all over the hillsides, spilling down the paths. This is truly an impressive moment, just pose and you will get “super HOT” virtual life photos.
4. How to get to Soi Sim Island?
When you want to travel to Soi Sim Island, you need to buy a ticket to visit HaLong Bay route number 2. Because Soi Sim is one of the destinations on this route. Route number 2 includes the following destinations: Soi Sim Island, Ti Top Island, Sung Sot Cave, Bo Nau Cave, Ho Dong Tien Cave, Luon Cave, Trong Cave, Trinh Nu Cave and Me Cung Cave. After that, visitors need to pay for a boat to get to the island.
5. Soi Sim Island ticket price
The daily tour costs are as follows:
- Buy a ticket to visit route 2 for reference: 290,000 VND/person/trip.
- Rent a boat for reference: 200,000 VND/person.
Thus, the total cost to visit route 2, including Soi Sim Island, is: 490,000 VND/person.
Choosing route 2, you can also experience some activities at other famous places such as: visiting Sung Sot cave, kayaking in Luon cave, swimming in Ti Top island,…
6. Activities and experiences when traveling to Soi Sim Island

6.1 Swimming in the clear water
Soi Sim has a long, smooth white sand beach and clear blue sea water, where you can see the bottom. The sand slope on the island is gently sloping, ideal for visitors to immerse themselves in the clear blue water, forgetting all their daily worries.
6.2 Exploring the primeval forest on the island
In addition to the wonderful beach, Soi Sim is also blessed with a diverse flora. More than two-thirds of the island is Feralit soil and red weathered soil, so the flora is extremely rich. It would not be wrong to say that Soi Sim is truly a green gem in the heart of Ha Long Bay. Not only that, when you come to the island, you also have the opportunity to meet and play with the lively, friendly monkeys, promising to bring unforgettable experiences.
Soi Sim has not been exploited much for tourism, so it still retains its original beauty. There are more than 78 species of plants and 32 species of animals. Many species of plants are endemic to Ha Long Bay such as cotton, yellow-flowered slippers, mountain bud, etc.
6.3 Admiring and checking-in the purple sim flower season
To admire the beauty of the gentle and mysterious purple sim forests, you should come here between April and August. The charming purple color of sim flowers covers the entire island, creating a romantic and dreamy space full of magic. In front of this unique beauty, don’t forget to check in to record memorable moments.
6.4 Experiencing when riding a jet ski on the sea
To serve tourists, there is also a jet ski rental service here. Tourists can rent a jet ski on the beach and be taken directly by a tour guide to explore this pristine island. A piece of advice is that you should ask for the price and choose a suitable jet ski to freely explore the island.
6.5 Conquering Soi Sim peak and admire the Heritage Bay from above
After having fun with a jet ski, visitors should plan to conquer Soi Sim peak. When you climb 400 steps and reach the top, you will be enchanted by the majestic and poetic beauty of the sea and sky of Ha Long. Don’t miss the opportunity to admire, enjoy and save impressive photos to make your journey more meaningful.
6.6 Enjoying the lyrical sea and island scenery
In addition to the beautiful beach, Soi Sim is also blessed with rich vegetation, creating a wild natural beauty, fresh and clean space. Clear blue sea water, smooth sand and beautiful vegetation, very suitable for visitors to relax, admire the rare peaceful sunrise and sunset.
7. Specialties when traveling to Soi Sim island
When traveling to this wonderful island, don’t miss the opportunity to enjoy Sa Sung. This is one of the most nutritious seafood in Ha Long. From Sa Sung, people can stir-fry it with garlic or stew it to create a delicious broth for an interesting pho dish. As for dried Sa Sung, when grilled, it becomes a crispy and delicious snack. In addition, when coming to Ha Long Bay, you should also try other specialties. Such as: sea cucumber, Ha Long squid rolls, Gat Gu cake, cu ky, ca say, …
8. Accommodation when traveling to Soi Sim Island
When traveling here, you can refer to some of the following accommodations:
- Oakwood Ha Long. Address: No 9, Ha Long Street, Bai Chay Ward, Bai Chay Ward, Ha Long City.
- River Hotel Ha Long. Address: Do Si Hoa, Bai Chay, Bai Chay Ward, Ha Long City.
- D’Lioro Hotel & Resort. Address: Hai Quan Street, Bai Chay, Bai Chay Ward, Ha Long City.
- A La Carte HaLong Bay Hotel. Address: Lot h30-h33 Peninsula/2, Hung Thang, Ha Long City, Quang Ninh.
- Halios Halong Hotel. Address: 38 Nguyen Du, Hong Gai, Ha Long City, Quang Ninh.
- Halong Lavender Hotel. Address: Sun Plaza Grand World Area, Apartment E389, Ha Long, City. Ha Long, Quang Ninh.
- Draha Halong Hotel. Address: No. 23, Phu Gia 4, Vinhomes Dragon Bay Urban Area, Quang Ninh.
- Wyndham Legend Halong Hotel. Address: 12 Ha Long, Bai Chay, Ha Long City, Quang Ninh.
9. Some important notes when traveling to Soi Sim Island
To make your journey to explore Soi Sim Island smooth and have more meaningful memories. Please note the following important notes:
- Snacks: There are no snacks on the island, so bring them with you before boarding the boat.
- When going to the top of Soi Sim: You need to follow safety rules, pay attention to go in groups and listen to the tour guide’s arrangements to avoid unwanted incidents.
- Keep clean: Soi Sim Island has a wild and clean beauty, so pay attention to maintaining the general hygiene of this island.
- Safety: The island is quite deserted, so when swimming, you should not swim too far to prevent unexpected events.
At the end of your journey to explore Soi Sim Island, you will surely remember the image of a wild island and the wonderful scenery here. With its beautiful beaches, diverse flora and peaceful atmosphere, Soi Sim Island will always be an ideal destination for you to find peace and immerse yourself in the beautiful nature.
Contact Origin Vietnam – a professional tour operator. For more useful information and updates on other beautiful destinations in Quang Ninh. We also accompany you on your tour Vietnam to explore Halong bay to Soi Sim Island with interesting activities and memorable experiences.