When is the best time to dive Coral Blocks?

The typical diving season is April to December; January to March. Conditions vary year to year, so confirm locally before booking.

Is Coral Blocks good for snorkelling?

Not really - this is a scuba site rather than a snorkelling spot.

Madagascar · Nosy Be

Also known as: Trois Gros Blocs

April to December; January to March

Open Water

Not a snorkel site - No - deep drop-off site, not suitable for snorkeling

Depth and possible current at an open Mozambique Channel-facing drop-off; advanced-diver rating

None specific identified (outside the Nosy Tanikely marine park boundary)

Permits and operators change - confirm before booking.

Nearest hub: Nosy Be

This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.