Find Full Service Marina Pros in Martinsburg

John’s Boat Harbor is the best choice for all your boating needs! We provide an excellent marina experience for all of our customers so that they can enjoy all that the beautiful Mississippi River has to offer. Customer service is our #1 goal and our staff will work with you to make sure that you feel welcome! We work to meet our customer's needs and will try at all times to make our harbor the best home for your boat. We have over 40 years of experience providing boating services such as:
- Docks from 24' to 44' in length
- Dry storage on concrete with unlimited ramping included
- Security gate and security cameras around the marina, as well as well-lighted areas
- Full service repair shop
- 24/7 Fuel dock

Come experience the natural beauty and rhythm of life on the water at Two Branch Marina on the Mississippi River. Our family-operated, full-service boat marina is conveniently located at the end of Highway C in St. Charles, Missouri. We are the closest marina to Mid Rivers Mall, and the most affordable on the water. $10 public ramping and no charge for extra car parking. We have dockside fuel and a on-site mechanic from Tuesday through Saturday. We have one of the largest marine supply & convenient store on the water. We are constantly making improvements in the harbor, and we are dedicated to helping our customer have a fun and pleasant time

Two Rivers Marina is a locally owned and operated full service marina. Located on the Upper Mississippi River at mile marker 283.2, across the bridge from Louisiana, MO, the marina has both covered and uncovered docks available for nightly, weekly, monthly, and yearly rental as well as a campground with full hook-ups.