Salt Cay is a tiny, flat, triangular island measuring about 3.2 km (two miles) on a side and given over mostly to salt pans.
As the river nears Barton Broad it passes a triangular island called the Heater.
This is a triangular island which is currently uninhabited.
The triangular island took its name after a number of canals and shipbuilding facilities that rendered its appearance similar to Amsterdam.
In the crook of the elbow lie two triangular islands, between which runs a channel of water.
An abandoned gas station anchored to a triangular island disappears one day, nothing left but its gutted signpost.
They consist of a 7 km-long triangular island and two very small islets off its northern cape.
There is a triangular island with the American flag and a bench where people take the morning sun and eat their sandwiches.
In the moat in front of these, artificial fortified triangular islands - ravelins - were built.
That's the sort of triangular island up and across from France?