St Mary's Bay (Devon) is a designated bathing water in Devon with a sandy shore. Its water quality was classed Excellent at the Environment Agency's last classification. The county has 67 designated bathing waters; this is one. It lies within South Devon National Landscape.
The closest station is Paignton, 7 km to the north-west. For more of the same, Breakwater Beach (Shoalstone) and Broadsands are close by.