[1] It consists of a large promontory connected to the mainland at Belmullet (Béal an Mhuirthead), a town of about 1,000 inhabitants, by a narrow isthmus.
The Mullet is a tourist destination, and has several beaches and a mild climate; chief attractions include golf, watersports, kiting, boating, fishing, and sea-angling.
[5] The parish of Kilcommon which lies to the northeast of the Mullet has more visible prehistoric monuments such as in-situ megalithic tombs.
[6] The Saint Deirbhle heritage centre based at Aughleam near the southern end of the peninsula has a collection of books and historical information on the area.
[9] In the northwest of the Mullet peninsula a site for testing full-scale ocean wave power devices has been selected between Frenchport Pier, Annagh Head and Cross.
[10][11] Bus Éireann route 446 links the peninsula with Belmullet, Bangor Erris, Bellacorick, Crossmolina and Ballina.