Scuba DivingNha Trang
Scuba diving in Nha Trang at the Hon Mun marine protected area: 350+ coral species, 10-25m visibility, a February to September season and boats 20 minutes from downtown.
10-25m
Visibility
26-30°C
Water temp
350+
Coral species
4
Divers max
Scuba diving in Nha Trang is best from February to September, with the clearest water from May to July when visibility reaches 15-25m. Diving centres on Hon Mun, Vietnam's first marine protected area, which holds more than 350 species of hard coral. Sheltered bays, depths of 5-25m and water at 25-30°C make Nha Trang a comfortable place to learn to dive; two guided fun dives start from $75 USD.
- Diving season
- February - September
- Visibility
- 10-25m
- Water temperature
- 25-30°C
- Depth range
- 5-25m
- Main dive sites
- Hon Mun, Madonna Rock, Moray Beach, Tiger Wall, Hon Bac
- Two fun dives
- From $75 USD
- Open Water course
- $425 USD all-inclusive, 3-4 days
- Languages taught
- Vietnamese and English
Vietnam's #1 Dive Destination
While Thailand closes for monsoon season and Phu Quoc only dives half the year, Nha Trang stays open year-round with a world-class marine reserve
Vietnam's First MPA
Hon Mun has been protected since 2001 - over 20 years of coral restoration. Vietnam's healthiest reef ecosystem.
Unmatched Biodiversity
Over 350 hard coral species - more than most of Southeast Asia. Sea turtles, reef sharks, and thousands of reef fish species.
Year-Round Diving
Unlike Thailand (Nov-Apr only) or Phu Quoc (Nov-Apr), Nha Trang offers excellent diving 365 days/year. Spring-summer is optimal.
Perfect Accessibility
Skip the 3-hour ferry rides to Phu Quoc. Dive sites are just 20 minutes by boat from downtown. More diving time, less travel!
Ideal Conditions
Warm 26-30°C water year-round, no thick wetsuit needed. Calm seas, 10-25m visibility. Perfect conditions for beginners and experienced divers alike.
No Visa Hassle
45-day e-visa for most nationalities, quick and easy. Direct flights to Cam Ranh from major Asian cities. Simpler travel than Thailand or Philippines.
Why not Thailand or the Philippines?
Thailand and Philippines have amazing dive sites, but: Thailand closes 6 months/year for monsoon. Philippines requires multiple domestic flights and ferries. Both are more crowded with complex visa requirements. Nha Trang? Year-round diving, 20 minutes from downtown, easy visa, and less crowded with comparable coral quality.
Meet the Locals
Discover the incredible marine biodiversity waiting for you in Nha Trang's waters
Colorful Coral Gardens
Moray Eels
Nudibranchs
Reef Fish Schools
Explore Nha Trang Bay
Hon Mun Marine Protected Area
Vietnam's first marine protected area, featuring stunning coral gardens and over 350 species of hard corals. Perfect visibility and diverse marine life make this a world-class diving destination.
Madonna Rock
A dramatic underwater pinnacle rising from the seabed, featuring steep walls covered in soft corals. Popular for its large schools of fish and occasional pelagic visitors.
Moray Beach
Named for its resident moray eels, this shallow site offers excellent macro photography opportunities. Sandy bottoms meet coral bommies creating diverse habitats.
Tiger Wall
A stunning wall dive featuring dramatic drop-offs and overhangs. Known for impressive gorgonian fans and the occasional reef shark sighting.
Not Just Another Dive Operator
What makes your diving experience with Vietnam Underneath special and different
PADI Certified Professionals
Internationally PADI certified dive guides with years of experience in Nha Trang waters. Safety is our top priority.
Truly Bilingual
Your instructor speaks YOUR language - native Vietnamese AND fluent English. Clear communication underwater and above.
Intimate Small Groups
Maximum 4 divers per guide. More attention, safer dives, better photos. No following a group of 20 people.
Conservation-First
Eco-briefing before every dive. No coral touching, no fish feeding, leave nothing but bubbles. Sustainable diving practices.
Local Knowledge
10+ years diving Nha Trang. We know every site, current pattern, and hidden gem that tourist tours don't know about.
Hassle-Free Experience
Hotel pickup, full equipment, delicious lunch, dive photos - all included. You just show up and enjoy the underwater world.
Learn to Dive in Nha Trang
No certification? No problem! Nha Trang is the perfect place to start your diving journey
1Before
- Curious about underwater world
- Anxious about breathing underwater
- Watching diving videos online
- Wondering if you can do it
After 3-4 Days
- PADI certified diver
- Confident underwater explorer
- Swimming with sea turtles at Hon Mun
- Lifetime skill & global certification
Try Dive Experience
No experience needed • Pool + ocean dive • Full supervision
Open Water Diver Course
Full PADI certification • Dive anywhere in the world • Lifetime skill
Not sure which course is right for you? We're happy to help!
What Divers Say
"The Hon Mun Marine Reserve is absolutely stunning! I've dived all over Southeast Asia and this is one of the healthiest reef systems I've seen. The instructor ratio was perfect for safety."
Emma L.
UK
A Day of Adventure
See what a typical dive day looks like with Vietnam Underneath - from hotel pickup to returning home with unforgettable memories
Boat Departs
20-minute scenic ride to Hon Mun Marine Reserve
First Dive - Hon Mun
Explore colorful coral gardens and tropical fish (45-60 min)
Surface Interval
Snacks, fresh fruit, and photos on the boat
Second Dive - Madonna Rock
Stunning wall dive with schools of fish (45-60 min)
Lunch on Boat
Fresh Vietnamese lunch while enjoying the bay views
Photos Shared
Receive your underwater photos and dive log
Back at Port
Relaxed and ready for more adventures!
Boat Departs
20-minute scenic ride to Hon Mun Marine Reserve
First Dive - Hon Mun
Explore colorful coral gardens and tropical fish (45-60 min)
Surface Interval
Snacks, fresh fruit, and photos on the boat
Second Dive - Madonna Rock
Stunning wall dive with schools of fish (45-60 min)
Lunch on Boat
Fresh Vietnamese lunch while enjoying the bay views
Photos Shared
Receive your underwater photos and dive log
Back at Port
Relaxed and ready for more adventures!
Ready for 2026?
Book early for the 2026 spring-summer diving season. Small groups, professional instructors, world-class experience.