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Calvert Cliffs
 St. Leonard, MD
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Average Viz: Under 5ft/2m
Entry Type: Boat
Bottom Composition: Clay/Muck
Aquatic Life: Might See Something
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Calvert Cliffs is a boat accessible salt water dive site, located in St. Leonard, MD. The average visibility is under 5ft/2m.
Because almost all of the land along the Calvert County shoreline of Chesapeake Bay is privately owned, public access is severely restricted so this is a boat dive and no going ashore from the boat either.
Calvert Cliffs extend south from the area of Chesapeake Beach in northern Calvert County to Drum Point at the southern end of the county. Three geologic formations of Miocene age (approximately 6 to 20 million years old) are exposed in Calvert Cliffs. The layers of sediment are inclined slightly to the south, so that progressively younger beds are exposed from north to south along the cliffs. The oldest is the Calvert Formation on the northern end, progressing to the younger Choptank Formation and finally the youngest St. Marys Formation in the southern part.