Ljusterö is an island in Sweden.
It is in the northern part of the Stockholm archipelago in Österåker Municipality, Stockholm County. It is approximately 65 kilometers north of central Stockholm.
With an area of 62.05 km², it is the 17th largest island in the country.
The island is accessed from the mainland by regular ferries from Östanå as well as by boat from central Stockholm.
Wikipedia https://en.wikipedia.org/wiki/Ljusterö
Coordinates 59°31'35.346" N 18°37'1.997" E
