An illustration originally from Honorius Philoponus, Nova typis transacta navigation 1621.
An illustration from the Manuscriptum translationis germanicae (Cod. Pal. Germ. 60, fol. 179v, University Library of Heidelberg, Germany), written around 1460 AD.
Īnsula Dēliciōsa ("Fair Island"). The island in the distance has been identified as Rathlin O'Birne (Rathlin O'Burne), a small low-lying island off the coast of Donegal, just past the cliffs of Sleave League.
ubi erat introitus ūnīus nāvis (4.2). This strikingly narrow inlet has long been identified as the place from which Brandon launched his ship. It is at the base of Mount Brandon, leading out to the sea on the north coast of the Dingle Penninsula, County Kerry. Two streams form a river about 100 yards long and fourty feet wide.
Clonfert Cathedral, Clonfert, County Galway. The surviving structure, with its distinguished Romanesque portal, dates to c. 1200, but was built on the site of Brendan's 6th century monastery.
