Body is less than 1.5 inches long. Body color more brown than green. Strong, deep swimmer.
Atlantic coast - beach, marsh, swimming pool
Thought I "rescued" it from the swimming pool, only to discover two more of these in the pool again - before sunrise the next day! (North Carolina is said to be home to 20+ species of frogs. http://herpsofnc.org/frogs-and-toads/)