Gray's Reef National Marine Sanctuary
Also known as: Gray's Reef
Best time to dive
January to December; November to April
What you might see
- DolphinLikely
- Hammerhead sharkLikely
- NudibranchLikely
- Sea turtlePeak season
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Snorkel-friendly - - (no clear guidance found; sanctuary is boat-access-only far offshore, so snorkeling is uncommon/impractical though not explicitly prohibited)
Safety notes
Variable current and often poor visibility increasing disorientation/buoyancy risk; boat traffic (100ft diver-down flag rule); anchoring prohibited sanctuary-wide (weighted marker buoys only); all sea turtles protected under the Endangered Species Act, marine mammals under the Marine Mammal Protection Act - no touching, chasing, or collecting
Permits & fees
No day-use or diving fee found for recreational divers; NOAA sanctuary permit required only for otherwise-restricted activities (research/commercial/education) - contact graysreef@noaa.gov; spearfishing and collecting/taking prohibited sanctuary-wide
Permits and operators change - confirm before booking.
Location
Nearest hub: Sapelo Island
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.