

Best for beginner divers, 1-8m, boat entry, mild current.
Gwynn Island Reef is an artificial reef located in the Chesapeake Bay, offering shallow depths ranging from 1 to 8 metres. This site is suitable for beginners looking to build confidence in a relaxed environment with mild currents. Access is by boat only, with the reef situated approximately 2490 metres from the shore. Visibility typically ranges between 5 and 10 metres, though conditions can be variable. Water temperatures fluctuate significantly throughout the year, ranging from 6 to 25 degrees Celsius. Divers should monitor their surroundings closely due to the potential for low visibility and maintain awareness of their position relative to the boat at all times.
37.48106, -76.23839
Water temperature drops sharply in winter, so a drysuit or thick wetsuit is worth packing even if the air feels mild. Confirm visibility conditions with local operators before your trip, as it can shift quickly in Chesapeake Bay waters.
Access info coming soon
Expected in this region. No sightings logged here yet.
Depth
Up to 8m
Visibility
5-10m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
6-25°C
Current
Mild
Yes, the site is suitable for beginners due to its shallow depth and mild currents.
The depth at Gwynn Island Reef ranges from 1 to 8 metres.
Access to the reef is by boat only; you must arrange your vessel in advance.
Yes, the site is open to both diving and snorkelling activities.
Visibility generally ranges from 5 to 10 metres, though it can be variable and low, so checking local reports before your trip is recommended.
Diving at Gwynn Island Reef in Chesapeake Bay requires the following certifications: Open Water. Always dive within your training limits.
A 7mm wetsuit or semi-dry is recommended for diving at Gwynn Island Reef in Chesapeake Bay. Water temperatures range from 6°C to 25°C.