Ships Companies Ports Documents Distances FAQ Contacts Cayman Islands Time: GMT -5. International dialling code: +1 809. Territorial waters: Around the Cayman Islands the United Kingdom claims a limit of 12nm for territorial waters and a limit of 200nm for fisheries jurisdiction. Capital city: George Town. PORT LATITUDE LONGITUDE REMARK UNCTAD TIME ZONE MAX DRAFT MAIN PORT DETAILS Cayman Brac 19° 45.0' N 079° 45.0' W Port Open   GMT -5 4.00   Details Creek 19° 45.0' N 079° 46.0' W Sub Port   GMT -5   Cayman Brac Details Georgetown 19° 18.0' N 081° 23.0' W Port Open KYGEC GMT -5     Details