Two entries with the name Enchanted Isle.
Enchanted Isle
A fictional location invented by Morgan Le Fay in an attempt to kill Arthur.
A servant arrived at Arthur’s court with a mantle, saying that the Lady of the Enchanted Isle had sent it to Arthur. Arthur, who had been forewarned by the Lady of the Lake, made the servant put on the mantle, and she burned to ashes.
Source
Post-Vulgate Suite du Merlin | 1230-1240
Enchanted Isle
The location of Arthur’s afterlife according to Guillem Torroella’s La Faula, which scholars have identified with Sicily.
Arthur lived on the island, analogous to Avalon, with his sister Morgan. The Grail sustained them.
Source
La Faula | Guillem Torroella, c. 1370