Hin Daeng & Hin Muang vs Similan Islands — Dive Destination Comparison

Hin Daeng & Hin Muang (Thailand) scores 64.3/100 vs Similan Islands's 64.2/100 in OkToDive's 12-category rating. Choose Hin Daeng & Hin Muang for cave diving with 1530m visibility. Choose Similan Islands for cave diving at ~$120/dive.

Last updated: 2026-07-22

Side-by-side comparison

MetricHin Daeng & Hin MuangSimilan Islands
OkToDive Score64.3/10064.2/100
CountryThailandThailand
Visibility15--30m15--40m
Water temp30--35 C30--35 C
Max depth70m40m
Currentmoderatemoderate
Cost per 2-tank dive$120$120
Budget tiermid rangemid range
Best monthsNovember, December, JanuaryNovember, December, January
Dive typescave, pelagiccave, pelagic
Min certificationOpen WaterOpen Water
Key speciesmanta ray, whale shark, seahorsemanta ray, whale shark, seahorse
Google rating0 (0 reviews)0 (0 reviews)

Which should you choose?

Choose Hin Daeng & Hin Muang when...

  • + Marine life enthusiasts seeking manta ray encounters
  • + Wide-angle photographers wanting crystal visibility
  • + Groups seeking 2+ named dive sites in one area

Skip if

  • - You don't have Advanced certification
  • - You need shore access — this is boat-only

Choose Similan Islands when...

  • + Marine life enthusiasts seeking manta ray encounters
  • + Wide-angle photographers wanting crystal visibility
  • + Groups seeking 30+ named dive sites in one area

Skip if

  • - You don't have Advanced certification
  • - You need shore access — this is boat-only

Bottom line

Hin Daeng & Hin Muang wins on overall score (64.3 vs 64.2), but the right choice depends on your priorities. Similan Islands is more affordable ($120 vs $120/dive). Similan Islands has better peak visibility (40m vs 30m).