[3] Its harbour is sheltered by the island of Orsay and its smaller neighbour Eilean Mhic Coinnich.

The Rinns of Islay lighthouse, built by Stevenson is located on Orsay.

Portnahaven is served by a church, one shop which is also a post office, and a public house, An Tigh Seinnse.

The harbour around which the village is built provides the opportunity to observe grey seals at close quarters.

[4] North of Portnahaven, at Claddach, is the world's first operational wave power machine.