Other clients include the Dive Bar's Amsterdam Avenue location and Local 61 in Cobble Hill, which both sell growlers for kombucha to-go.

WSJ: High Tea Has a New Meaning

Between the dives, which I did as part of the advanced diving course at Scapa Scuba Dive Centre, we stopped at the Visitor Centre and Museum on the island of Hoy, the former location of the naval base.

BBC: Europe��s surprising dive hotspot