The Poseidon Spa at Casa Monica Resort & Spa offers guests a peaceful retreat where they can indulge in a variety of treatments inspired by one of the most crucial and inspiring elements in the world: water. Indulge in a massage, rejuvenating facial, body treatment and more in the St. Augustine spa’s quiet treatment rooms. Casa Monica's spa also features a nail salon area where guests can treat themselves to a luxurious manicure or pedicure, complete with expert polish application as well as treatments and nail maintenance. Those who indulge in a pedicure will also get to enjoy the salon’s massage chairs while they are receiving their service.