Captivate

 

Miranda gets taken when swimming in the sea with her sister only to wake up in a strange room. Soon she discovers that she is being held underwater in a submerged city by a King who is intent on marrying her. Miranda refuses and what follows next is a romance that will leave you wanting more. The book has been brilliantly conceived  from start to finish; a perfect book which is why it ranks as one of the top 10 mermaid books of 2017