The Isle of Apples has most recently been in Blessed Isles folklore as the island of Avalon, the place that the gravely wounded King Arthur was removed to by three or nine queens, depending on the story. It became identified with Glastonbury, formerly an island in a marsh, due to some creative work by the Abbey to secure funds and tourists. The connection with Glastonbury was finally proven as erroneous following Expeditionary research undertaken in 1832.
However, Avalon was an adaptation of the Welsh tradition of Ynys Avalon, the Isle of Apples, which is either a cognate or adaptation of the Irish Emain Ablach. Both tend to place the Isle of Apples as an island “to the West” but Irish tradition also associates it with the Isles of Man and of Arran. The confusion with the Isle of Man may or may not be related to belief that Manannán mac Lír was the island’s ruler while the confusion with Arran may relate to the place being a “high point”.
The modern Isle of Apples is a marsh island that has been traversed and explored a number of times on Expeditions crossing the Irish Sea, typically from Scotland or Man to Ireland or Wales, or vice versa. Although not seasonally linked in the same way our reality is, due to Otherworld complications of “seasons“, the island can be surrounded by water or it can be a hill on a plain. It is named for the wild apples that grow in abundance there, although they appear to be a particularly special subspecies as the branches look like true silver and the white flowers bear fruit that look like red-gold or copper. This is in keeping with the legends of Emain Ablach.