Family run, for family fun.
Seven C’s Marine is Biloxi’s small, family-run boat dealership. New Sportsman and Avid boats, exclusive Yamaha outboards, and a 5-Star Gold Certified service shop that treats your boat like it’s ours.
We’re a small family-run business and we treat our customers like our family. Browse around, or better yet, come by the shop and see us.
Seven C’s Marine is a full-line, exclusive Yamaha outboard dealer and the new-boat dealer for Sportsman and Avid on Reynoir Street in Biloxi. Bay boats, offshore boats, aluminum bay and bass boats, trailers, and genuine Yamaha parts, all under one roof.
Behind the shop doors is a 5-Star Gold Certified Yamaha service center with over 50 years of combined experience and one of the only certified Yamaha Master Technicians in Mississippi. We proudly serve the entire MS Gulf Coast as well as Alabama and Louisiana.
New boats, outboards & trailers
Sportsman and Avid boats, exclusive Yamaha power, and the trailers to move them. Inventory changes fast, so call for what's on the lot today.
Sportsman Boats
Bay and offshore models from 20 to 35 feet. Functionality with dependability, rigged and ready.
See the line → Aluminum
Avid Boats
Not your typical aluminum boat. Tiller handles, bass boats, and dependable aluminum bay boats.
See the line → Outboards
Yamaha Outboards
From portable power to big offshore muscle, plus repowers for the boat you already love.
See the lineup →Last two 2025 models, priced to move
The 2025 model year is closing out. Two boats left at clearance pricing, and 2026 clearance prices are a phone call away.
The shop · Reynoir Street
One of the only Yamaha Master Techs in Mississippi
Our technicians are trained and certified by Yamaha, with over 50 years of combined experience on every 2-stroke and 4-stroke Yamaha outboard. Annual service, stubborn motors, boat and trailer repairs, electronics, Power-Poles, trolling motors, and full repowers.
- 5-Star Gold Certified Yamaha service center
- Certified Yamaha Master Technician on staff
- Genuine Yamaha parts & Yamalube in stock
- Electronics, Power-Poles & trolling motor installs
A dealership that treats you like family
Family Run
A small family business where the people who sell you the boat are the same people who stand behind it.
Exclusive Yamaha
A full-line exclusive Yamaha dealer, from portable outboards to offshore power, backed by Gold-certified service.
Master-Tech Service
One of the only certified Yamaha Master Technicians in the state works on your motor, not a lube-rack rookie.
Gulf Coast Proud
Right on Reynoir Street in Biloxi, serving boaters across Mississippi, Alabama, and Louisiana.
Boats we sell, rigged and running
Real boats from the lot and the lines we carry, out doing what they were built for.
Questions we hear at the counter
What boat brands do you carry?
We are the new-boat dealer for Sportsman (fiberglass bay and offshore, 20 to 35 feet) and Avid (aluminum bay, bass, and tiller models), and we carry SportTrail and MagicTilt trailers.
Do you only service Yamaha outboards?
Yamaha is our specialty. We are an exclusive Yamaha dealer and a 5-Star Gold Certified Yamaha service center, with certified techs across every Yamaha 2-stroke and 4-stroke. We also handle boat and trailer repairs.
Can you repower my current boat?
Yes. Repowering with a new Yamaha outboard is one of the best upgrades you can make, and we handle the whole job, from picking the right motor to rigging and water testing.
Do you install electronics and accessories?
We install electronics, Power-Poles, and trolling motors, and we stock genuine Yamaha parts and Yamalube to keep your motor healthy for years.
What's on the lot right now?
Inventory moves quickly, so the honest answer is: call us at (228) 435-3389 or come by 378 Reynoir Street and see for yourself.
Seven C's Marine
Come see us on Reynoir Street.
Family run, for family fun. Call, come by the shop in Biloxi, or send us a note and we'll get you on the water.
378 Reynoir Street, Biloxi · Exclusive Yamaha Dealer · Sportsman & Avid Boats