Hoi An Snorkeling and Scuba Diving - Explore the Underwater World

By Ngoc Tu Dinh - May 19, 2025
Hoi An Snorkeling and Scuba Diving - Explore the Underwater World

Hoi An, a charming coastal city in central Vietnam, is not only famous for its ancient architecture and cultural heritage but also a hidden gem for snorkeling and scuba diving. If you're seeking an unforgettable underwater adventure, Hoi An snorkeling and scuba diving offers vibrant coral reefs, exotic marine life, and crystal-clear waters – all just a short boat ride from the city. In this complete guide, you'll discover the best diving spots in Hoi An, expert tips for choosing the right tour, essential gear preparation, and the ideal seasons for exploring the waters.

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1. Reasons to try Hoi An snorkeling and scuba diving

Hoi An is situated on the enchanting East Coast, renowned for its plethora of distinctive and captivating diving sites. Embarking on a Hoi An snorkeling or scuba diving adventure will transport you to a mesmerizing underwater realm, teeming with an array of vibrant coral forests, captivating marine life, and breathtaking seascapes.

hoi an scuba diving
Explore the reasons why you should seriously contemplate indulging in the scuba diving experience in Hoi An

Diversity in depth

Hoi An boasts numerous diving spots that cater to divers of all levels, ranging from novices to seasoned enthusiasts. 

For those starting their underwater adventures, there are plenty of dive sites with manageable depths that provide a safe and comfortable environment. On the other hand, if you crave more excitement and wish to push your limits, Hoi An offers exhilarating dive locations with greater depths.

cham island snorkeling tour

Diverse coral reefs

Hoi An Beach boasts a rich and diverse coral ecosystem, housing numerous rare coral species. When you embark on a Hoi An snorkeling and scuba diving, you will have the opportunity to encounter coral species that you may have never seen before. 

cham island scub diving
Brace yourself for a mesmerizing display of vibrant red, blue, and orange corals that will leave you in awe

Favorable weather

The weather here is typically stable, particularly from February to July, making it an ideal time for snorkeling in Hoi An. The favorable conditions during this season ensure a safer and more enjoyable marine experience.

Moreover, this period is highly recommended for you and your loved ones to plan a visit to Hoi An.

2. Cu Lao Cham - The top-of-mind place for Hoi An snorkeling and scuba diving spots

Cu Lao Cham, an archipelago situated approximately 20 km east of Hoi An, stands as one of the most sought-after scuba diving destinations in the region.

A mere boat ride away from the city, this remarkable location has been bestowed with the prestigious title of a world biosphere reserve by UNESCO. Renowned for its breathtaking seascapes and flourishing, untouched coral forests, this marine reserve captivates all who venture into its depths.

In Cu Lao Cham, the opportunity to embark on an unforgettable diving experience awaits. With a plethora of diving services readily available, you can effortlessly immerse yourself in the exploration of unique diving spots such as Mui Ke, Hon Dai, and Hon Mo.

cham island snorkeling

3. Preparations for your Hoi An snorkeling and scuba diving adventure

3.1. The best seasons for scuba diving in Hoi An

The optimal time for Hoi An snorkeling and scuba diving is typically between February and July. 

During this period, the weather in Hoi An is generally warm and cool, creating ideal conditions for engaging in scuba diving activities. Moreover, the sea water temperature is suitable, clear and pristine. The visibility is excellent, allowing divers to fully appreciate the underwater beauty and marine life.

hoi an snorkeling

Nevertheless, it is crucial to consider the specific weather conditions for each month. To ensure accurate and up-to-date information on sea and weather conditions, it is advisable to contact local diving centers or diving service providers before finalizing your plans for Hoi An snorkeling and scuba diving. 

3.2. Selecting the required diving equipment

Before embarking on your underwater adventure in Hoi An, it is crucial to have the appropriate equipment. Choosing high-quality gear is essential to ensure a comfortable and safe diving experience.

Two indispensable pieces of equipment are a well-fitting mask for clear vision and a breathing tube or oxygen tank. Additionally, fins can enhance your swimming ability and make snorkeling more enjoyable. Before diving, it is vital to check that all equipment is in proper working condition and that you are familiar with its operation.

snorkelling in hoi an

And for sure, Hoi An offers several dive shops and rental centers that provide a wide range of equipment for both snorkeling and scuba diving. Moreover, these stores offer professional advice to help you select the right gear for your adventure.

3.3. Guide to choosing the perfect snorkeling and scuba diving tour in Hoi An

When faced with the abundance of Hoi An snorkeling and scuba diving tour operators, it can be quite a challenge to select the right one.

snorkelling hoi an

To assist you in making an informed decision, here are some key factors to consider:

  • Reputation and reviews

It is crucial to conduct thorough reviews of various tour operators to assess their reputation and reliability. Look for operators with a proven track record of delivering safe and enjoyable experiences.

  • Safety standards

Prioritize tour operators who adhere to stringent safety standards. Ensure that they provide well-maintained equipment and conduct comprehensive safety briefings before each dive.

  • Group size options

Take into account the group size of the tour. Opting for smaller groups, particularly those associated with private tours, often guarantees a more personalized experience and fosters better interaction with the guide.

  • Itinerary and diving locations

Select an itinerary and diving locations that align with your skill level, interests, and capabilities. It is essential to choose options that cater to your specific needs.

4. Tips for a safe and memorable Hoi An scuba diving experience

 Before embarking on your undersea adventure, your tour guide will provide you with instructions on how to use a snorkel, breathe evenly and deeply underwater, and interact with the marine environment at the bottom.

cham island snorkelling
While Hoi An snorkeling and scuba diving offer incredible experiences, it is important to prioritize safety

When exploring Hoi An's underwater world, there are some necessary safety notes to keep in mind:

  • Do warm-up exercises

Firstly, warm-up exercises are crucial to limit the possibility of cramps or feeling tired or tight in the chest during extended periods in the water. 

  • Diving with a friend

Additionally, always dive with a buddy, regardless of your experience level. Having a companion increases safety and ensures immediate assistance in case of an emergency.

  • Follow diving instructions

Furthermore, it is essential to follow the specific instructions and rules of each diving site in Hoi An. This not only protects the marine environment but also guarantees your safety.

  • Monitor your air supply

Lastly, closely monitor your air supply and never exceed your diving limit. Ascend slowly and make safe stops when necessary to equalize pressure and minimize tinnitus.


Hoi An is more than just lantern-lit streets and historic temples – it’s also one of Vietnam’s top destinations for underwater exploration. From the stunning coral gardens of Cu Lao Cham to the calm, warm waters ideal for beginners, Hoi An snorkeling and scuba diving promises experiences that blend natural beauty with adventure.

With the right preparation and guidance, your trip can become an unforgettable journey beneath the surface. So pack your gear, choose a trusted tour operator, and dive into the spectacular marine world of Hoi An today. Don’t miss the chance to create lasting memories in one of Southeast Asia’s most breathtaking diving destinations.

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Ngoc Tu Dinh
Travel Expert
I'm Ngoc Tu Dinh, a local travel expert from Ninh Binh Province, Vietnam. Exploring Vietnam has been my passion for years, and I've spent 10 years as a tour guide throughout Vietnam, Laos, and Cambodia. I hope that my understanding of Vietnamese culture, allow me to offer a unique perspective in this blog. Currently, I am based at IZITOUR. If you're planning a trip to Vietnam, I'm here to help you make the most of it! Feel free to leave your comments at the end of the article. Your feedback is important, and I look forward to responding to you.

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