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Dennis Dillon Marine

Dennis Dillon Marine

Your premier boat dealer in Idaho!
At Dennis Dillon Marine we are powersports and boating enthusiasts, and we are excited to help you experience the fun and adventure that a quality Yamaha, Crestliner, Trifecta vehicle can bring into your life! We are a powersports and marine dealership serving the Boise area, offering the best in new and pre-owned boats. Our friendly and knowledgeable sales, financing, service, and parts departments are ready to offer outstanding service at every point, from assisting while you're making your choice to ongoing maintenance and customization. At Dennis Dillon Marine, we value the opportunity to create a long-term relationship with our customers, and we do that by making sure to exceed your expectations.

Welcome to Our Boat Dealership


If your idea of a perfect day includes a wide-open lake, a full tank, and nothing but sky and shoreline ahead, you’re in the right place. At Dennis Dillon Marine, we’re a crew of boaters, powersports fans, and outdoor junkies who live for the same things you do: fresh air, fast rides, and weekends that don’t end early.

Based right here in Boise and proudly serving our neighbors in Caldwell, Nampa, Meridian, and Eagle, we’ve spent years helping Idaho families and thrill-seekers gear up for whatever’s next. Whether you’re chasing that perfect wake, planning fishing trips on Lucky Peak, or just cruising the Snake River with friends, we’ll help you find your next boat or powersports vehicle and keep it running like new.

Your Source for New and Pre-Owned Boats in Boise ID


We stock a wide variety of new boats from trusted names like Yamaha, Trifecta, and Crestliner—brands we use ourselves and confidently stand behind. From high-performance sport boats to family-friendly pontoons to rugged aluminum fishing boats built for Idaho’s lakes and rivers, our goal is simple: help you find the right vessel for how you ride.

Looking for something that fits your budget just right? Our pre-owned inventory includes boats and personal watercraft that are ready to provide dependability and a smooth ride out on the water. We know that for many buyers, a gently used model offers the best of both worlds—performance and value—and we’re happy to help you compare options based on budget, condition, and features.

New to boating? We’ll walk you through everything from hull types to storage needs, so you can feel confident long before you hit the dock.

Full-Service Marine and Powersports Dealership


Buying the boat is just the start. At our dealership, we’re here for the long haul. Our certified technicians specialize in both inboard and outboard service, and we treat your boat like it’s our own—from routine tune-ups to major repairs. Our shop is fully equipped for:

  • Seasonal prep and winterization
  • Engine diagnostics
  • Electrical systems

Our service team handles everything from routine oil changes to complete engine overhauls—fast, honest, and always done right. We’ve helped various Idaho boaters stay on the water longer, and we’re ready to do the same for you.

Want to make it your own? We also carry a full range of parts, lighting upgrades, covers, and more. Whether it’s speed, comfort, or style, we’ll help you personalize your setup for your kind of adventure.

Boat Financing That Works for You


We also are here to provide financing options built around real budgets and real people. Our team works with various lenders and manufacturer programs to build flexible payment plans that fit your lifestyle. We’ll help you explore every option and make the process simple.

Plus, we can roll in warranties, accessories, and other add-ons to streamline your purchase and protect your investment. Have a boat you want to sell? We’ll be happy to offer you a trade-in for it to make a seamless switch to the new vessel you want. At the end of the day, it’s your adventure—we’re just here to help make it happen.

Visit Your Local Boise Boat Dealer Today!


We’re proud to call Boise home, and we know how lucky we are to live around Caldwell, Nampa, Meridian, and Eagle, ID, where adventure is always just a short drive away. Whether you're upgrading your gear, shopping for your first boat, or just need a tune-up before hitting Lake Lowell, you’ll find friendly faces and real help here.

Drop by to see us today and contact us now to take the next steps with us at Dennis Dillon Marine!