GrapeSeed Spa is a spa destination at South Coast Winery Resort & Spa in Temecula, California. Set within wine country at a winery resort on 63 acres of vineyards, the spa offers rejuvenating treatments, luxury amenities, vineyard views, a heated outdoor saltwater pool kept at 84 degrees year-round, a range of treatment rooms, two tranquility lounges, and a spacious veranda with oversized chaise lounges. Guests must be at least 18 years old to receive treatments.