Um.... sea level is sea level. That's the definition.
No
No.
Apollo Beach Fl is 2-3 feet above sea level.
Melbourne, Florida is 20 feet (6 meters) above sea level
345ft above sea level
Melbourne Beach, Florida is 10 feet above sea level.
No. Florida's average elevartion is 98 feet above sea level.
6feet
if the land surrounding the sea is below sea level
25 feet above sea level.
A beach, by definition, is already at sea level. The mean sea level at Panama City Beach means that you can be at sea level no matter what is the state of the current tide.