About Us

Welcome to Open Water Marine, your premier boat dealership in Mandan, North Dakota, where exceptional sales and service come together to make your boating experience unforgettable.

About Us

Welcome to Open Water Marine, your premier boat dealership in Mandan, North Dakota, where exceptional sales and service come together to make your boating experience unforgettable.

THE OPEN WATER MARINE TEAM

Whether you’re shopping for your very first boat, upgrading to something new, or keeping your current boat in top condition, our experienced team is here to support you every step of the way. We take pride in offering honest guidance, trusted marine brands, and reliable service designed around your needs.

At Open Water Marine, boating isn’t just our business—it’s our passion. From the moment you walk through our doors to long after you hit the water, you can count on our team for expertise, transparency, and a commitment to doing things the right way.

Meet the Team - Open Water Marine

The Crew

Meet the Team

Dedicated experts passionate about keeping you on the water. Discover the people behind Open Water Marine's top-tier service and commitment to excellence.

Shawn

Owner and Operator

Shawn fell in love with all things moving at a young age. As an avid racer, his love for power led him to Open Road Honda and various roles throughout the years. He started up Open Water Marine and moved to the current location in 2024.

Ask about my love for:

Jesus
His Family
Race Cars
Asian Buffets
Boy Scouts

Wayne

Mechanic

Wayne brings 10+ years of fiberglass repair to the team. He trained under Bob at Gibbons Fiberglass. He is the most meticulous cleaner in our office and makes the boats shiny for all sports shows.

Ask about my love for:

Good Cigars
Diet Coke
His Disney Trips
His Pup

Corey

Mechanic

Corey started his mechanic career working on small engines with his dad. After various jobs, he landed at BisMan Prop Works, and now brings his unique prop-fixing expertise to Open Water Marine.

Ask about my love for:

Really Great BBQ
His Family
Golfing
His Baseball Career

Hunter Keller

Sales Manager

Hunter is our Sales Manager, and he's here to make your buying experience simple and enjoyable. He'll take the time to understand what you're looking for, answer your questions, and help you find the right fit. Whether you know exactly what you want or need a little guidance, Hunter is ready to help.

Ask about my love for:

Cars
Snowboarding
Video games
Hunting/fishing

Ryan Dewald

Service Manager

As Service Manager, Ryan will be working closely with our service team to make sure your experience is as smooth and stress-free as possible. Whether it’s routine maintenance, repairs, or getting your boat ready for the season, Ryan is here to help keep things moving and keep you informed along the way.

Ask about my love for: