Interstate Auto & Boat is an authorized dealer of Misty Harbor Pontoon Boats, Supreme Boats and Sea Ray Boats. When you walk through our doors, you'll be treated to the friendliest service from the most knowledgeable staff in the Black Hills.

Check out our brochures, to see what products we offer, including Suzuki and Mercury outboard motors. And when you are ready to start living that lake life-whether in South Dakota, Wyoming, North Dakota, or anywhere else -- give us a call or stop by our expansive indoor showroom.

We're on board to take care of you from the delivery through winterization because we service what we sell!