Halfway Islet is a small island in the Boydong cays, Shelburne Bay in far north Queensland, Australia about 100 km north of Cape Grenville, Cape York Peninsula in the Great Barrier Reef Marine Park Queensland, Australia.

Halfway Islet
Map
Geography
LocationNorthern Australia
Coordinates11°22′48″S 142°58′05″E / 11.380°S 142.968°E / -11.380; 142.968
Administration
StateQueensland

It is a part of the East Islands group about 25 km northeast of Captain Billy Landing.