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Welcome to Diamond Sports Marine offering the best of the Boating World! Skeeter Boats and Excel Aluminum Boats for sale, the best built, highest quality boats in the industry from a trusted boat dealer right here in Texas. In addition, we have a fully staffed service department with trained technicians to solve your boating problems fast.

We service most makes & models and are Evinrude and Johnson Certified tech's. We can service your boats right on the lake; there's no job too big or too small. We can also sell boats and motors for you on consignment!

We are the premier marine provider in Deep East Texas for all your boating needs!

We are your go-to motorsports dealer in Mount Pleasant, Texas! We bring you the best powersports vehicles from Polaris, Sea-Doo, and Yamaha. Find a great selection of new motorsports vehicles for sale in stock in our store. Our dealership sells new motorcycles, ATVs, side by side UTVs, personal watercraft, power boats, and more. If you don't find what you’re looking for, check out all of the manufacturer models we can order for you, including the popular Polaris RZR. Now you can even pre-order a Polaris ATV or UTV. We also have an ever-changing selection of used motorsports vehicles for sale. Come find out why we’re one of the best ATV, UTV, and Polaris dealers in Texas. Looking for powerboats, pontoons or boat engines for sale? Look no further! We are dealers for Lowe Boats, selling Lowe jon boats, Lowe pontoons and aluminum fishing boats. We also sell Veranda pontoon boats and Mercury Marine boat engines. At Momentum Motorsports, we don’t want to just sell you a motorsport vehicle or boat; we want to help you take care of it, too. Set up an appointment with our service department today to make sure everything is in tip-top shape, or order parts from our parts department. We also offer secure online financing so you can get pre-qualified for a loan quickly.

After many years as General Manager of the H&W Marine stores, Chris Knight and his wife, Andrea Knight, are the new owners of H&W Marine of Tyler. We are now NAUTICAL MILE MARINE. Leaning on his 17 years of experience and success in the Marine business, Chris hopes to serve the boaters of East Texas with high quality well-selected products and excellent service. Our product lines now include Skeeter Boats, Yamaha Outboards, ProDrive Mud Boats and Mud Motors, G3 Boats, Suncatcher Pontoons and Yamaha Waverunners. Though the name is different, we are still the same friendly staff and as always strive to meet every need of our customers. We are honored to serve our existing clients, and look forward to gaining new customers as we move forward serving the East Texas boating community.

Marine repair, maintenance, and upgrades Inboards, sterndrives, and outboards Electronics installs, Trailer repairs. Quick turnarounds get you back on the lake.

Engine work,Fiberglass work-Gelcoat