Seashore Lake (Lot 97) Build your dream coastal retreat in the gated waterfront community of The Sanctuary at Costa Grande. Overlooking the Intracoastal Waterway, this exceptional homesite offers scenic water views and the perfect setting to enjoy breathtaking coastal sunrises, passing boats, and the peaceful beauty of the Texas coast. Residents enjoy a private marina with direct access to the Intracoastal Waterway, a resort-style clubhouse, lagoon-style pool, tennis and basketball courts, fishing piers, a playground, and beautifully maintained common areas. Located in the legendary fishing village of Port O'Connor, you'll be minutes from some of the best bay and offshore fishing on the Texas Gulf Coast, plus world-class duck hunting, boating, kayaking, and bird watching. Whether you're searching for a weekend getaway or a full-time residence, this homesite offers the perfect opportunity to embrace the Texas coastal lifestyle.