Cockle Bay is a suburb of East Auckland, New Zealand. The suburb is in the Howick local board, one of the 21 administrative divisions of Auckland. Cockle Bay is located on the eastern edges of metropolitan East Auckland, along the Hauraki Gulf coast. The bay itself is located to the east of the suburb, and looks out towards the Tāmaki Strait, Motukaraka Island …Cockle Bay is a suburb of East Auckland, New Zealand. The suburb is in the Howick local board, one of the 21 administrative divisions of Auckland. Cockle Bay is located on the eastern edges of metropolitan East Auckland, along the Hauraki Gulf coast. The bay itself is located to the east of the suburb, and looks out towards the Tāmaki Strait, Motukaraka Island and Beachlands.