Lamb Island is in Southern Moreton Bay, between Macleay Island and South Stradbroke Island, just a 20 minute ferry ride from Redland Bay.

It is accessible by passenger ferry (Bay Island Transit System). These run approximately every half hour from Redland Bay. Also by vehicular barge - Bay Islander Service, run by Stradbroke Ferries, which departs from Redland Bay. Booking on the barge is essential.

Lamb Island is approximately one and a half hours from the Brisbane CBD. One hour from Brisbane Airport and one hour from the Gold Coast.