The islands land mass is 41 sq.
Beaches are varied, some sandy, some with pebbles.
Its rich soil makes the island very green with dramatic lava formations. Even though fertile there is little drinking water. The soil retains the moisture enabling the cultivation of almond and olive trees, figs and citrus. Almost round, Nisyros center contains the volcano's crater called 'Stephanos'. The crater is 260 meters in diameter and smells of sulfur with hot vapors issuing from the soft ground.