Foundation Spa is a serene retreat tucked into the garden level of The Harbor Grand Hotel, overlooking the harbor in New Buffalo, Michigan. Inspired by the rhythm of Lake Michigan, Foundation offers personal, intuitive treatments designed to restore balance and leave guests feeling like themselves again. Featuring a seasonal menu of face, massage, and body treatments, the spa partners exclusively with VOYA — a marine botanical skincare line rooted in nature and the restorative power of the sea. Guests also enjoy access to an indoor saltwater pool and harborside sun deck. Open Tuesday through Sunday, Foundation Spa is an 18+ sanctuary where time slows down and well-being takes center stage.