Rainbow Divers - Nha Trang

Forget the name for a minute; this isn’t a kaleidoscope of coral, but it’s still a standout for Nha Trang. Rainbow Divers is actually a macro site, and for us, that’s its real charm. We often find ourselves just off the main mooring, meticulously scanning the small bommies and sandy patches. The cymodocea seagrass beds are always worth a close look; we’ve spotted tiny cymodocea wrasse darting between the blades and often a greybeard dwarfgoby perched just so. The real stars here are the smaller creatures. We always keep an eye out for the orange-axil wrasse, their flashes of colour hard to miss. Pink anemonefish often hover protectively in their homes, and if you’re patient, you might see a bluestripe pipefish doing its thing near the sand. It’s a site that rewards slow diving, a relaxed pace where you can truly appreciate the details. This is our pick for a second dive of the day, when you want to unwind and focus on finding those smaller, often overlooked species. It suits divers who love nudibranchs, gobies, and just generally slowing down to appreciate the smaller stuff.

Location: Nha Trang, Vietnam, Southeast Asia
Coordinates: 12.236140, 109.195380

Marine Protected Area: Vịnh Nha Trang

Best Time to Dive in Nha Trang

The warmest water temperatures in Nha Trang occur in May, averaging 30.5°C. The coolest conditions are in January at 25.4°C.

Monthly Water Temperatures

January: 25.4°C
February: 25.8°C
March: 27.4°C
April: 29.5°C
May: 30.5°C
June: 30.2°C
July: 29.7°C
August: 29.7°C
September: 30.3°C
October: 30.1°C
November: 28.1°C
December: 26.2°C

Nearest Dive Centres to Rainbow Divers

ANGEL DIVE - SSI, PADI, SDI, TDI
Deep People Freediving - Scuba School International
Delight Diving - SSI
Diving Centre NHA Trang Fun Divers
Sailing Club Divers - ["PADI"]
Sea Coral - PADI, SSI

Marine Life in Nha Trang

Home to 182 recorded species including 175 reef fish, 6 seagrass & algae, 1 other.

Notable Species

High Hat Triplefin (Enneapterygius tutuilae) - Reef Fish
Banded Toby (Canthigaster valentini) - Reef Fish
Blackbar Filefish (Pervagor janthinosoma) - Reef Fish
Wrasse (Labroides dimidiatus) - Reef Fish
Northern Bicoloured Triplefin (Enneapterygius flavoccipitis) - Reef Fish
Floral wrasse (Cheilinus chlorourus) - Reef Fish
Six-line wrasse (Pseudocheilinus hexataenia) - Reef Fish
Rock Cod (Cephalopholis boenak) - Reef Fish
Telescopefish (Epibulus insidiator) - Reef Fish
Blackspot Surgeonfish (Acanthurus nigrofuscus) - Reef Fish
Two-spot Bristletooth (Ctenochaetus binotatus) - Reef Fish
Largemouth Triplefin (Ucla xenogrammus) - Reef Fish
Chestnut Blenny (Cirripectes castaneus) - Reef Fish
Ghost Cardinalfish (Nectamia fusca) - Reef Fish
Bullethead Parrotfish (Chlorurus sordidus) - Reef Fish
Lineated Butterflyfish (Chaetodon trifasciatus) - Reef Fish
Bird wrasse (Gomphosus varius) - Reef Fish
Bloodspot pipefish (Corythoichthys haematopterus) - Reef Fish
Twinspot Hawkfish (Amblycirrhitus bimacula) - Reef Fish
Blackspotted wrasse (Macropharyngodon meleagris) - Reef Fish

Recommended Packing List for Rainbow Divers

Based on average water temperature of 28.6°C, currents 3 cm/s.

Shorty or Rashguard - warm 29°C water needs minimal exposure protection
Mask - essential for every dive
Fins
BCD - buoyancy compensator
Regulator - your most safety-critical piece of gear
Dive Computer - tracks depth, time, and NDL
Surface Marker Buoy (SMB) - essential for boat pickups
Dive Torch - useful for crevices and colour at depth
Underwater Camera - capture your diving memories