The Southern Moreton Bay Islands, abbreviated as the SMBI, also known as the Bay Islands, or the RKLM, are the four inhabited southern Moreton Bay islands located in South East Queensland, Australia. The group is part of the Redland City with a permanent population of 6,153 as of the (up from 4,240 in the ). However, nearly one-third of all dwellings on the islands were unoccupied, suggesting a high proportion of "second homes" that are owned by people who were elsewhere on the night of the census. Geography Tiny Perulpa Island is joined by a causeway to Macleay and is generally regarded as part of Macleay. The inhabited Southern Moreton Bay Islands are mostly surrounded by the Southern Moreton Bay Islands National Park, which is also located within Redland City. History The population of the four inhabited Bay Islands in 2006: Karragarra, 125 Lamb, 373 Russell, 1,776 Macleay, population 1,957 In 2007, after a national A Current Affair television news segment, the islands received an enormous amount of interest as having the cheapest land in Australia. The population of the four inhabited Bay Islands in 2016: Karragarra, 204 Lamb, 432 Russell, 2,836 Macleay, population 2,681 Originally subdivided in the early 1970s, a bridge was promised by the then government. This never eventuated and residents are now feeling the pressure of transport to the mainland for some shopping trips, as mainland parking has become very scarce. The Bay Islands enjoy a quiet, relaxed lifestyle with many retirees, pensioners and more recently, an influx of younger families looking for some safety and security, away from the hustle and bustle of the mainland. Heritage listings Lamb Island has a number of heritage-listed sites, including: Lucas Drive: Lamb Island Pioneer Hall Mango Trees on Tina Avenue which were planted over 100 years ago Jetty Shed which has been restored by the local island community group and was used for loading local produce onto the merchant boats Macleay Island has a number of heritage-listed sites, including: Cliff Terrace: Industrial Ruins, Macleay Island Amenities Russell and Macleay have most basic services such as supermarkets, restaurants, primary schools, doctors, police, ambulance, fire brigade, SES, clubs and pubs. Lamb Island has a kiosk with basic supplies and convenience items. Karragarra has no shops at all, which is preferred by the residents. Transportation The islands have a frequent scheduled vehicle barge provided by Stradbroke Ferries and fast passenger ferries