A natural cliff composed of iron-rich rock is exposed on the south western side of the island.

Sandy beaches wrap around the island's southern, eastern and northern sides.

[2] The British explorer Matthew Flinders landed on Coochiemudlo Island on 19 July 1799, while he was mapping the southern part of Moreton Bay.

[8] In the 2011 census, Coochiemudlo Island had a population of 708 people, 52.7% female and 47.3% male.

The other top responses for country of birth were England 7.8%, New Zealand 6.1%, Germany 1%, Croatia 1%, Philippines 0.7%.

88% of people spoke only English at home; the next most common languages were 0.6% German, 0.6% Indonesian, 0.6% Serbian, 0.4% Dutch, 0.4% Swedish.

[11] The island is serviced by a passenger ferry, operating approximately every half-hour between about 5:00am and 11:00pm.

[12] The island's community hub, Curlew Café, is a BYO cafe situated not far from the jetty, providing breakfasts, lunches and occasional Friday night dinners, essentials (groceries, meat, ice creams, newspapers).

[13] A range of accommodation options are available including Seminara Apartments,[14] airbnb[15] and holiday homes.

[17][18] There are many types of wildlife on the island, with its birdlife including sea eagles, brahmany kites, magpies, rosellas, butcher birds, pheasant coucals and a colony of stone curlews which are counted each year.

[20] There is a walk through the Melalueca Wetland Reserve with its variety of native plants and trees.