 Cogra Bay is bounded by the Hawkesbury River to the south, the mouth of the Mooney Mooney Creek to the west, Mullet Creek to the east, and the Brisbane Water National Park to the north.It consists of a number of properties accessible only by boat or by water taxi from Brooklyn away, although due to shallow water, some properties have limited access at low tide.Cogra Bay residents have no access to water or power, although many residents use solar power.