Scuba Season
Underwater reef at Anse Chastanet
Declining

Anse Chastanet

Saint Lucia · Caribbean

Anse Chastanet on Saint Lucia's southwest coast offers easy shore diving directly off a black sand beach beneath the Pitons — coral rubble slopes, seahorses, frogfish, and reef fish in clear Caribbean water.

How this reef is doing

How we measure this

Reef state

Declining

Volcanic black sand reef with intact structure. Cover has thinned but topography remains a draw.

Coral cover

22%
LowHealthy
Moderate

Fish life

Not surveyed

Heat

SafeBleaching

Warmer than usual right now, but not hot enough to bleach.

Warming

Fishing

QuietBusy

Some fishing is allowed here, in marked zones.

Limited

Sources · AGRRA and GCRMN reef surveys · NOAA Coral Reef Watch · Global Fishing Watch and reef gravity

Coral cover over time

Live coral cover, by survey year

Across surveys in 2014 and 2024, live coral cover here has fallen from 33% to 22%. Every point is a real survey reading, never a projection.

Live coral cover, percent by year

40%0%region avg 16%20142024
Two surveys
Caribbean average (GCRMN)
AGRRA and GCRMN reef surveys

What you will see

10 species across the dive sites here

Dive sites

What divers say

Wade off the beach beneath the Pitons and find a seahorse in five minutes. Saint Lucia diving is underrated.
Repeat visitor

Good to know

Marine reserve

Anse Chastanet sits in a marine protected area; ops handle daily fees.

Gear & getting wet

  • Basic kit

    • Mask and fins
    • BCD and regulator
    • 3mm full wetsuit · warm water
    • Dive computer