Immortal Sea (The children of the sea)

the long version

Morgan of the finfolk does not normally waste his attention on humankind, but while in Copenhagen, he meets a young woman who captures his interest – if only for a night. on sojourn in Europa before starting medical school, Elizabeth is intelligent, attractive, and eager for a little adventure . . . sixteen years later, Dr. Elizabeth Rodriguez is called to the island of World’s End to become its only doctor. There, she hopes to reconnect with her troubled son, Zack, who has become withdrawn since her husband’s death. She has no idea that World’s End will also reconnect her with Morgan . . . (from the back cover)