Sustainable Seaside Inn is a green hotel located in Mustang Island State Park. The inn is committed to sustainable practices, including energy conservation, waste reduction, and water efficiency. Guests can stay in eco-friendly rooms with views of the ocean and enjoy amenities such as a solar-heated swimming pool and organic breakfast options. The inn also offers beach cleanup activities and educational programs on marine conservation. Visitors can experience a sustainable seaside getaway while supporting the park's conservation efforts.