Mohéli Marine Park vs Île Sainte-Marie — Dive Destination Comparison

Mohéli Marine Park (Comoros) scores 60.0/100 vs Île Sainte-Marie's 59.9/100 in OkToDive's 12-category rating. Choose Mohéli Marine Park for reef diving with 1530m visibility. Choose Île Sainte-Marie for reef diving at ~$80/dive.

Last updated: 2026-07-22

Side-by-side comparison

MetricMohéli Marine ParkÎle Sainte-Marie
OkToDive Score60.0/10059.9/100
CountryComorosMadagascar
Visibility15--30m8--20m
Water temp25--30 C24--29 C
Max depth40m30m
Currentmoderatemoderate
Cost per 2-tank dive$90$80
Budget tiermid rangemid range
Best monthsMay, June, JulyJuly, August, September
Dive typesreef, wall, driftreef, wall, wreck
Min certificationOpen WaterOpen Water
Key speciescoelacanth (deep), green turtle, humpback whalehumpback whale, whale shark, dugong
Google rating4.5 (22 reviews)4.4 (42 reviews)

Which should you choose?

Choose Mohéli Marine Park when...

  • + Experienced drift divers comfortable in current
  • + Anyone visiting Indian Ocean for the first time
  • + Groups seeking 10+ named dive sites in one area

Skip if

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

Choose Île Sainte-Marie when...

  • + Wreck diving enthusiasts
  • + Anyone visiting Indian Ocean for the first time
  • + Groups seeking 10+ named dive sites in one area

Skip if

  • - You prefer uncrowded sites and this has 10+ named spots drawing traffic
  • - You need shore access — this is boat-only

Bottom line

Mohéli Marine Park wins on overall score (60.0 vs 59.9), but the right choice depends on your priorities. Île Sainte-Marie is more affordable ($80 vs $90/dive). Mohéli Marine Park has better peak visibility (30m vs 20m).