Hudson Grotto
Deep freshwater grotto ideal for technical and skills training.
Shore Access
32m Avg Depth
44m Max Depth
About this dive site
This dive site offers a unique experience with a silt bottom and varying depths. The average depth is approximately 106 feet, reaching a maximum of 140-145 feet depending on tidal conditions. Several platforms are available at 25', 60' and 100'. Lines run around the grotto at 30' and 60'. Visibility can be limited, presenting opportunities for practice in skills such as search and recovery or cave training. A cool hydrogen sulfide layer exists at a depth of about 105 feet. Water temperatures fluctuate seasonally, ranging from mid-80s during summer months to the high 60s in winter. It’s an excellent location for developing technical and/or deep diving skills.
DivingFreedivingSnorkeling
Plan Your Visit
deep divetechnical divingadvanced onlycaverntraining siteturtlesilt
Marine Life
TurtlesBlue Gill
Things to Note
Difficulty:
Advanced
Exceeds recreational depth limits, requiring technical or deep diver training.
Hazards:
depthlow visibilitysilt outoverhead environment
Current Strength:
Mild
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