Granite State Dock and Marine

09/17/2026

Brand new, 2027 Alera M23LA powered by a Mercury 350 Verado

🚨 Beautiful Roswell Arch
🚨 Gorgeous Exterior Paint Combo
🚨 Amazing Sound System

Come down and see it!

09/16/2026

🚨 2027 Dockside 20DQ powered by a Suzuki 50 - $31,500

✅ New Exterior Color
✅ Composite Floor
✅ Tilt Steering
✅ 5 Year Suzuki Factory Warranty
✅ 7 Year/Lifetime Dockside Warranty
✅ Rated for 10 People!

Come on down and see it!

09/16/2026

Looking to upgrade your waterfront or get the most out of your dock system? Your local PolyDock dealer is your go-to resource for product guidance, design support, and expert installation.

From floating docks to accessories and custom layouts, they’ll help you build a solution that fits your shoreline and your lifestyle.

☎️ Contact your local PolyDock dealer to get started- Call us today at (603) 965-4766!

09/13/2026

It’s official! 🎉 Pearl White and Navy are here to stay. 🤍💙

These limited colors are now 𝘀𝘁𝗮𝗻𝗱𝗮𝗿𝗱 𝗲𝘅𝘁𝗲𝗿𝗶𝗼𝗿 𝗿𝗮𝗶𝗹 𝘀𝗸𝗶𝗻 𝗼𝗽𝘁𝗶𝗼𝗻𝘀, joining Charcoal and Black. More ways to make your Dockside yours. 🌊

Build yours today: https://docksidepontoon.com/builder

09/13/2026

09/12/2026

Maximize your waterfront with a multi-zone dock design that separates swim areas, boat slips, and PWC ports for safety and fun. ☀️

With PolyDock’s modular dock setup, you can create a flexible dock zoning plan that adapts to your family’s recreational needs. From swim-friendly areas to dedicated boat and PWC docks, thoughtful layout and design make every day on the water easier and more enjoyable.

👉 Explore ideas for your ultimate family dock design and modular layout, and contact us today at (603) 965-4766!

09/11/2026

Congratulations to Justin on the purchase of this brand new, 2027 Lund 1875 Impact powered by a Mercury 150.

Thank you for your business!

09/10/2026

Thank you to Best of the 603 for another year of recognition! We are pleased to announce we've taken home the Silver Award for Best Boat Dealer in New Hampshire -- a huge shoutout to all of our customers who cast their ballots and made this award possible!

09/09/2026

Before you upgrade your dock, make sure it’s the perfect fit for your waterfront. ⚓️

From floating and sectional to truss-style systems, choosing the right hardware and configuration ensures a secure, reliable setup that performs season after season.

Confirm compatibility and connect with us today! Call us today at (603) 965-4766!

09/05/2026

Summer hits different when your dock is dialed in.

Whether it’s morning swims, afternoon boat runs, or sunset hangouts, the right setup turns your dock into the center of it all.

Because it’s not just where you park the boat, it’s where the best days happen. ☀️⚓️Call us today at (603) 965-4766!