Ha Long Bay is no longer a strange name to travel enthusiasts. With its magnificent limestone islands, scattered islets, and fascinating caves, this place is considered a paradise of entertainment. Here, you can take part in many activities such as snorkeling, scuba diving, trekking, or paragliding. Above all, scuba diving in Ha Long is definitely one of the most exciting experiences in this pristine bay.

Visitors coming to Ha Long Bay always wish to admire the entire landscape and find themselves again, away from the hustle and bustle of city life. Perhaps snorkeling and diving are the perfect choices. From there, you can fully enjoy the tranquility and discover countless fascinating things you have never seen before.

Diving is an ideal choice for those who love exploration. This activity opens up a whole new underwater world for you. With its rich biodiversity, diving in Ha Long Bay offers visitors the opportunity to witness thousands of marine species and magnificent coral reefs. Swimming underwater, you can freely follow colorful schools of fish and touch the impressive coral reefs.

In addition, for those who are too tired of the busy daily life, scuba diving or snorkeling in Ha Long Bay will help you relax and recharge. You can enjoy peaceful moments under the clear water before returning to everyday life. That is why many people choose this bay as their retreat.

The coral reef ecosystem of Ha Long Bay is incredibly impressive and colorful, serving as a habitat for many species of fish, crustaceans, and mollusks. Coral reefs stretch along the seabed, while above the water surface stand towering limestone mountains and beautiful pristine islands. Diving in such a stunning setting can be a once-in-a-lifetime opportunity — don’t miss it.

The best time to go diving in Ha Long Bay is from May to November (from summer to autumn). The weather during this period is very favorable for this activity. The water temperature ranges from 25°C to 29°C, bringing a warm and pleasant feeling when immersing yourself in the bay’s clear water.

Best snorkeling/diving spots in Ha Long Bay:

Cong Do Island:
Most cruises on Ha Long Bay offer great opportunities to dive or snorkel around the bay’s famous limestone cliffs. Below are some cruises that provide diving or snorkeling services for your reference.
Cong Do is a small island in Bai Tu Long Bay that remains almost untouched, offering a unique diving experience. Underwater, you can admire countless marine creatures such as shrimp, crabs, seaweed, and corals.
It’s best to choose an overnight cruise on Bai Tu Long Bay that includes diving or snorkeling in the itinerary; you may also have the chance to witness the magnificent nightlife of Ha Long Bay.

Vung Ha Island:
Vung Ha is a large island located near the center of Ha Long Bay. This wonderful island features a diverse marine ecosystem with many species of fish, crabs, squid, seaweed, and shrimp. The coral reefs here are also vibrant and colorful, making it an ideal spot for diving and snorkeling.
All excursions on Ha Long Bay offer this service for you to choose from.
In addition, the island is close to the Vung Vieng fishing village, where you can visit to learn about the local lifestyle.

Lan Ha Bay:
Lan Ha Bay is famous for its excellent snorkeling and diving spots. More than 400 islands and islets spread across 76 km² make up the habitat of diverse marine flora and fauna. Immerse yourself in the cool, clear water and admire 177 species of coral, 98 species of plankton, and nearly 200 species of fish found here.
You can choose an overnight cruise on Lan Ha Bay to enjoy many other interesting activities besides diving or snorkeling. Some highly rated cruises include: Mon Cheri, Peony, Scarlet Pearl, Orchid, and more.

Some tips for diving:
• Plan your diving or snorkeling schedule clearly.
• Seek advice from professional diving instructors.
• Use a diving helmet that supplies air through an umbilical hose for safer breathing.
• Check the weather before diving to avoid possible risks.

Ha Long Bay is always one of the best destinations in Northern Vietnam to relax and experience new things. Diving or snorkeling in Ha Long Bay is an unmissable activity for those who love to explore the underwater world.