The Mermaid's Sanctuary: the Hunter's Series, Book 2 (Volume 2) Lrg edition

Keagan is a Hunter and happy with his current situation. He is single and his only responsibility is to his family and the realms as a Hunter. Princess Seah, is the daughter of King Caspian and the most rebellious of all his children. Desperately wanting to be free to swim in the ocean and return to her beloved sanctuary, Seah defies her father's orders to remain in the castle. When she finds herself on the run from trackers from the warring kingdom of King Tahoe she swims for the only place she can think of... Hunter's Beach. Keagan and his family of Hunters are celebrating on the beach when they see Seah swimming straight for them. Keagan braces for impact as Seah launches herself out of the water and into his arms as well as his heart. As the two become closer it appears that keeping Seah out of trouble is going to be Keagan's biggest mission yet.