Sun Outdoors Rehoboth Bay, formerly known as Massey's Landing, is a luxury waterfront RV resort on the shores of Rehoboth Bay in Millsboro, Delaware. Nestled along the shoreline you'll find beachfront cottages, waterfront RV sites, and glamorous safari tents. Take a dip in the pool or swim up to the splash bar for a cocktail. Grab a bite to eat and enjoy a great view at one of our onsite restaurants. Lounge on our private beach or take to the water on a kayak, paddleboard or canoe. And all of this is just 30 minutes from Rehoboth Beach.