Milford is a suburb located on the North Shore, Auckland. It is located on northern side of Lake Pupuke. It also has a popular swimming beach, which runs some two kilometres from Black Rock in the south to Castor Bay in the north. The Wairau Creek reaches the sea at the Hauraki Gulf at the northern end of Milford Beach, and its lower tidal reaches host th…Milford is a suburb located on the North Shore, Auckland. It is located on northern side of Lake Pupuke. It also has a popular swimming beach, which runs some two kilometres from Black Rock in the south to Castor Bay in the north. The Wairau Creek reaches the sea at the Hauraki Gulf at the northern end of Milford Beach, and its lower tidal reaches host the Milford Marina.