Serrana Bank

Italy

Serrana Bank is a Colombian-administered atoll in the western Caribbean Sea. It is a mostly underwater reef about 50 km (31 mi) long and 13 km (8.1 mi) wide with six cays, or islets, the largest of which is Southwest Cay.

Listen to the audio guide for Serrana Bank Free on WIP — starts by itself when you arrive, even with the screen off