The Enchanted Isle

Out under the Irish Sea, fifteen or sixteen miles south-west of the
Calf, there is an enchanted isle. Long, long ago it was on the surface
of the water--that was in the days when Manannan ruled in Mann--but
when Saint Patrick drove Manannan and his men from the island in the
form of three-legged creatures, they came upon this isle. Manannan
dropped it to the bottom of the sea, and they were seen no more.

Now it is the home of Manannan Mac y Leirr, Son of the Sea, and
he rules it as he used to rule Mann. But once in seven years, when
Old May Day is on a Sunday, the isle may be seen. It rises up from
the sea just before sunrise, like a beautiful vision, and Manannan
looks once more at Ellan Vannin. The hills of the enchanted isle are
green, white foam rings it round, and if you are near enough you may
see the tossing arms and golden hair of the Mermaids by the water's
edge washing their glittering jewels, and hear the singing of birds,
and smell the fragrant scent of flowers. But as the first rays of
the sun rest upon its highest hills, it sinks into the deep, deep sea.