Whether you are looking for a quiet weekend of cruising, fishing and relaxing or you plan on water-skiing, windsurfing and innertubing until dusk, a houseboat vacation is the only way to enjoy the natural beauty of Lake Roosevelt. Known for its warm dry climate and sunny skies the lake is 150 miles long with 630 miles of sandy shoreline. Keller Ferry and Seven Bays Marina, provide all the necessities from fuel, moring and stores to our Hard Dock Restaurant located at the Seven Bays Marina. A houseboat vacation is a getaway like no other. And with the addition of our new luxury fleet - you will be cruising in style.