Welcome to Vallely Sport & Marine, North Dakota's only Five Star Certified, and Boating Industry Top 100 sport & marine group offering two premier locations in Bismarck, North Dakota and Minot, North Dakota.
We specialize in sales of boats, pontoons, ATVs, motorcycles, snowmobiles, and personal watercraft (PWC). In both of our showrooms you will find the best boat and pontoon brands in the industry; Sea Ray, Bayliner, Lund, Skeeter, Bennington, Moomba, MasterCraft, and Yamaha. You will also find the leading powersports brands: Polaris, Ski-doo, Sea-Doo, and Yamaha Motor Corporation, USA.
Our Parts & Accessories departments are fully stocked with marine and powersports accessories to make your experience the best. Our trained Service Department offers top notch customer service, full maintenance, and repair of new and pre-owned boats, all-terrain vehicles (ATVs), motorcycles, personal watercraft (PWC), and snowmobiles.
Vallely Sport & Marine is celebrating over 39 years in business, serving all of North Dakota, Northern South Dakota and Eastern Montana.
2026 Polaris Sportsman 570 Trail stands out with its compact yet capable ProStar 4-stroke DOHC single cylinder liquid-cooled EFI 567cc engine delivering 32 hp, paired with a smooth Continuously Variable (CVT) transmission for confident low-speed control on the trail. The design emphasizes agility without sacrificing durability, so its 48 in vehicle body width and 83 in length strike a practical balance between maneuverability and stability. Built to work, it rides on a robust frame that keeps the dry weight at 847 lbs, ensuring predictable handling when you push into uneven terrain. Polaris Sportsman(R) 570 Trail combines practicality with dependable performance for riders who want a capable companion on mixed terrain. The engine efficiency pairs with a 4.5 gal fuel tank to extend rides between fill-ups, while the 567cc displacement provides ample torque for everyday trail tasks. The vehicle is engineered with a focus on reliability, and the EFI system helps deliver crisp throttle response in varying conditions. For longer sessions, the rugged drivetrain meets the demands of all-day touring without compromising control. This model emphasizes a thoughtful balance of capability and everyday usability, making it a versatile choice for weekend loops or backcountry excursions. The combination of precise control, durable construction, and a compact footprint supports confident navigation through brush and berms alike. View the Polaris Sportsman(R) 570 Trail at Vallely Sport & Marine.