0 to 12 m above sea level (it is just on the shores of the Caribbean Sea).
110 metres above sea level
9.8′ above sea level
Oxford is 129m above sea level
It is 781 feet above sea level.
It is 544 feet above sea level.
325 feet above sea level.
500 ft above sea level
Part of it is at sea level. The highest point is 18.04 ft above sea level.
Key West is 18 feet above sea level.
Yes, it is approx 2030ft or 620m above sea level.
at sea level
The sea is at a particular level compared to land. Most land is above sea level (or it would be under the sea or very far inland). If you are a mile above sea level, then you are a mile above where the sea would be if there was no land there.