Woven into the Waves (Seafolk of Starbron #1)

They didn’t tell her these were merman infested waters.

When Andrea moved to the lighthouse on Cape Despair after becoming a widow, she just wanted to escape her in laws and mourn in bitter peace— That is, until she starts being haunted by a mysterious sound, a strange light, and dreams that weave her in and out of reality.

And, if that wasn’t all enough to drive her mad, an injured merman with a devilish smirk and a miracle-preforming mouth washes up on her doorstep.

At first, it’s his attitude that drives her crazy, but soon it’s their desire.