Captive of the Deep - Michelle M. Pillow

Merman Rigel has searched for an end to his people's curse. Living in the lost city of Atlantes, women are rare and immortality has come with a high price--loneliness. When a beautiful female is thrown into the ocean, her fate is in his hands, and this sexy mortal is more than this hard up warrior can resist.

Lords of the Abyss Series
​Paranormal Mermaid ' Merman Shapeshifter Underwater Fantasy Romance