1. Raja Ampat, Indonesia

Known as the “crown jewel” of diving, Raja Ampat boasts more than 1,500 small islands and the highest recorded marine biodiversity on Earth. Expect manta rays, reef sharks, and pristine coral reefs.

Best time to dive: October to April

2. Sipadan, Malaysia

Sipadan is a UNESCO World Heritage Site and one of the top dive sites in the world. Schools of barracuda, sea turtles, and hammerhead sharks are common sightings.

Best time to dive: April to December

3. Komodo National Park, Indonesia

A world-famous site for drift diving, Komodo is home to manta rays, reef sharks, and vibrant coral gardens. Don’t miss Batu Bolong and Castle Rock.

Best time to dive: March to October

4. Koh Tao, Thailand

Koh Tao is a diver’s paradise and one of the best places in the world to get PADI certified. The island is known for whale shark sightings and beginner-friendly dive schools.

Best time to dive: March to September

5. Malapascua, Philippines

This tiny island is globally recognized for thresher shark encounters at Monad Shoal. It’s a must-visit for shark enthusiasts.

Best time to dive: December to April

6. Bali, Indonesia

From shipwrecks like the USS Liberty in Tulamben to macro life in Amed, Bali offers a diverse range of dive sites suitable for all levels.

Best time to dive: April to November

7. Similan Islands, Thailand

Famous for granite boulders, swim-throughs, and pelagic encounters, the Similan Islands are ideal for liveaboard diving.

Best time to dive: October to May

8. Tubbataha Reefs, Philippines

Accessible only by liveaboard, Tubbataha is a UNESCO World Heritage Site filled with pristine coral walls and large pelagics like hammerheads and whale sharks.

Best time to dive: Mid-March to mid-June

9. Mabul Island, Malaysia

A macro photographer’s dream, Mabul is known for rare critters like flamboyant cuttlefish, blue-ringed octopus, and nudibranchs.

Best time to dive: Year-round

10. Nusa Penida, Indonesia

Just off Bali, Nusa Penida is famous for its strong currents and seasonal mola mola (ocean sunfish). Crystal Bay and Manta Point are highlights.

Best time to dive: July to October

Final Thoughts

From the colorful reefs of Raja Ampat to the shark dives in Sipadan, Southeast Asia is a diver’s paradise. Whether you’re seeking macro photography opportunities or thrilling drift dives, these top dive sites guarantee an unforgettable underwater adventure.

👉 Looking to discover even more dive sites near you? Check out our Dive Site Map to explore dive schools, conditions, and reviews worldwide.