Bay of Plenty Bay of Plenty The Bay of Plenty () is a large bight in the northern coast of New Zealand's North Island. It stretches from the Coromandel Peninsula in the west to Cape Runaway in the east, a wide stretch of some 259 km of open coastline. The Bay of Plenty Region is situated around this body of water, also incorporating several large islands in the bay. The bay was named by James Cook after he noticed the abundant food supplies at several Māori villages there, in stark contrast to the earlier observations he had made in Poverty Bay. According to
Bay of Plenty Public Health. The Bay of Plenty region covers 12,200 km² of land and 9,500 km² of coastal marine area. It extends along the eastern coast of the North Island, from the base of the Coromandel Peninsula in the west to Cape Runaway in the east. The region extends 12 nautical miles from the mainland coastline, and also extends from the coastlines of several islands in the bay, notably Mayor Island/Tuhua, Motiti Island, Whale Island and the active volcano of Whakaari/White Island. It extends inland to the sparsely populated forest lands around Rotorua and Murupara. The geographical bay is defined by