The possible site of an early medieval chapel or keeill known as Keeill Croit ny Howe. The site of the keeill is remembered on Ballafayle y Kerruish, a property given in Wood's Atlas as part of the Barony of St Bees. The site is now in a small field or croft on the southern margin of Port Mooar, numbered as Plot 1524 on the 1870 1:2500 scale Ordnance Survey map.