Chain of Lagoons is a locality and small rural community in the local government area of Break O'Day, in the North-east region of Tasmania.

It is located about 17 kilometres (11 mi) south-east of the town of St Marys.

The Tasman Sea forms its eastern boundary.

[2] The 2016 census determined a population of 21 for the state suburb of Chain of Lagoons.

[1] The locality name is believed to be derived from the several lagoons in the vicinity.