透明度高い伊豆の穴場～静岡県西伊豆町・尊之島（そんのしま）～
Sonnoshima Island in Nishiizu Town, Shizuoka Prefecture. This island is accessed by swimming from Tagosehama Beach, which is narrow with a total length of about 60 meters. The sea is very transparent and is a hidden beautiful spot in Izu.