Spacious Accommodations Sea Colony -- 812 Harbor House in Bethany Beach offers a spacious holiday home with three bedrooms and two bathrooms. The living room provides comfortable seating areas. Leisure Facilities Guests can enjoy an indoor swimming pool, sauna, and outdoor swimming pool. Additional amenities include a fitness room, hot tub, and games room. Convenient Location South Bethany Beach is a 2-minute walk away. Nearby attractions include Thunder Lagoon Waterpark (5.6 mi) and Rehoboth Beach Boardwalk (15 mi).