Lan Ha Bay
Located south of Halong Bay, Lan Ha Bay is a hidden gem that remains less explored compared to its famous neighbor. With over 400 limestone islands scattered across its crystal-clear waters, Lan Ha Bay offers a serene and breathtaking environment, making it the perfect destination for nature lovers and adventure seekers alike.
Lan Ha Bay
Although Lan Ha Bay is administratively part of Hai Phong Province rather than Quang Ninh (home to Halong Bay), the stunning similarities in landscape, especially the limestone islands and rugged beauty, mean that both locals and tourists alike consider it a part of the broader Halong Bay region.
Lan Ha Bay spans 76 km² and features over 400 limestone islets. It is smaller than Halong Bay but offers an even more pristine and untouched atmosphere. With its quiet lagoons, secluded coves, and abundant limestone formations, Lan Ha Bay provides an ideal escape for those seeking an intimate and peaceful connection with nature. The area is home to some of the most beautiful, secluded beaches, where visitors can swim, enjoy a private BBQ on the beach, or camp under the stars.


These beaches are not only beautiful but are also great for a variety of water sports such as swimming, snorkeling, and diving. With the bay's rich marine life, including vibrant coral reefs, you can explore the underwater world of Lan Ha Bay and marvel at the diverse marine species that call it home.

Main attractions and activities
Lan Ha Bay isn’t just about its picturesque landscapes, there’s so much to do here, whether you’re an adventure enthusiast, a nature lover, or someone simply looking to unwind. Here are some of the best activities to do while visiting this incredible destination:
1. Kayaking: Glide Through Tranquil Waters
One of the best ways to explore Lan Ha Bay is by kayak. Paddle through the calm, crystal-clear waters that surround the islands, weaving your way around limestone cliffs, caves, and secluded beaches. Kayaking offers a peaceful and intimate way to take in the bay’s natural beauty. Popular kayaking areas include the Bright Cave, Ao Ech, and Ba Trai Dao (Three Peaches) area, where you can navigate narrow inlets and discover hidden coves.
2. Cave Exploration: Unveil the Mysteries of Lan Ha Bay
Lan Ha Bay is home to an array of captivating caves and grottoes, many of which remain unexplored by most tourists. The Dark and Bright Caves are two of the most famous spots in the bay. These caves allow you to kayak through narrow passages and witness the transformation of light as you pass from the darkness into the illuminated sections. The 80-meter-long cave in the Bright Cave area leads to a hidden lagoon that you can explore.
Aside from the main caves, there are countless other smaller caves and grottos scattered throughout the bay. Each cave presents its own set of natural wonders, from intricate stalactites and stalagmites to serene lagoons and quiet inlets. These caves provide an exciting opportunity for adventurers to uncover the hidden gems of Lan Ha Bay.


3. Beaches: Relax on Secluded Shores
Lan Ha Bay is dotted with numerous golden sandy beaches, many of which are completely untouched and uncrowded. Whether you’re looking to bask in the sun, swim in the turquoise waters, or simply relax with a book, you’ll find the perfect spot to unwind in complete tranquility. Some of the most popular beaches include:
- Ba Trai Dao Beach: Also known as Three Peaches Beach, Ba Trai Dao features three small, secluded beaches that are surrounded by towering limestone karsts. This spot is perfect for those who want to escape the crowds and enjoy the natural beauty of Lan Ha Bay in peace.
- Van Boi Beach: Another stunning beach in the bay, with golden sand and inviting waters, perfect for swimming and relaxing.

These beaches are not only beautiful but are also great for a variety of water sports such as swimming, snorkeling, and diving. With the bay's rich marine life, including vibrant coral reefs, you can explore the underwater world of Lan Ha Bay and marvel at the diverse marine species that call it home.
4. Camping: A Night Under the Stars
For those seeking a more immersive experience, camping on one of Lan Ha Bay’s secluded beaches is an unforgettable adventure. Imagine spending the night under a blanket of stars, listening to the sounds of the waves lapping against the shore, and waking up to the stunning views of the bay as the sun rises over the limestone peaks. Many local tour operators offer camping trips, complete with all the necessary equipment and a guided experience. Whether you opt for a romantic getaway or a group camping trip, spending a night in Lan Ha Bay is a unique way to connect with nature.
Best Time to Visit Lan Ha Bay
The best time to visit Lan Ha Bay is from April to October when the weather is warm and pleasant. During this period, you’ll experience clear skies, calm waters, and mild temperatures, making it ideal for outdoor activities like kayaking, swimming, and beach exploration. The months from June to August are especially perfect for those who want to enjoy the bay's serene beauty while avoiding the larger crowds that flock to other nearby destinations.


While Lan Ha Bay can be visited year-round, the cooler months from November to March can be quite rainy, and the sea might be a little rougher, making outdoor activities less enjoyable. However, even during the off-season, the bay remains peaceful and stunning, so those who prefer quieter times may still find it a perfect destination.
Lan Ha Bay offers a rare combination of stunning landscapes, outdoor adventure, and tranquility, making it a must-visit destination for nature lovers and adventure seekers. Whether you're kayaking through the calm waters, exploring caves, relaxing on pristine beaches, or simply soaking in the natural beauty, Lan Ha Bay is a true hidden paradise in Vietnam. Escape the crowds and immerse yourself in the peaceful allure of this magnificent bay, the perfect place to unwind, explore, and create lasting memories.