Maritime Authority of the Cayman Islands

The Maritime Authority of the Cayman Islands (MACI) incorporates one of the world’s leading international ship registries, the Cayman Islands Shipping Registry (CISR). Today, more than 2,000 ships sail under the Cayman Islands flag. The Maritime Authority’s mission is to facilitate the development of the Cayman Islands as an international maritime center and help foster a dynamic environment to support the needs of their customers.

Government Administration Building, Elgin Avenue,
George Town

133 Elgin Avenue
Tel: (345) 949-8831