Contact - Keswick
At JR Marine Construction, we’re proud to serve the Keswick community with expert marine and shoreline services tailored to waterfront living. With a reputation built on quality craftsmanship and dependable service, our team specializes in shoreline restoration, custom docks and boathouses, barge work, and lake and pond weed management. Whether we’re stabilizing eroded shorelines, building long-lasting waterfront structures, or maintaining clean, healthy aquatic environments, we approach every project with professionalism, precision, and pride. At JR Marine, we understand the unique needs of waterfront properties in Keswick, and we’re dedicated to helping you protect and enjoy your shoreline for years to come.
Email: info@jrmcinc.ca
Phone: 905-473-7000
Our Services Include:
Shoreline Restoration – Reinforcement and rehabilitation of eroded shorelines using natural stone, armor rock, and environmentally conscious methods
Custom Docks & Boathouses – Design and construction of high-quality docks and boathouses tailored to your property and waterfront lifestyle
Barge Services – Reliable barge transport and water-access construction support for materials, equipment, and remote projects
Lake & Pond Weed Management – Effective aquatic vegetation control to maintain a clean, navigable, and visually appealing shoreline
Seasonal Repairs & Maintenance – Ongoing care and repair of marine structures to ensure safety, stability, and longevity
Permitting Support – Guidance through the permitting process to help streamline approvals for shoreline and in-water construction
Our Work
News & Updates
Build a Shoreline That Lasts: Heavy-Gauge Steel Sheet Pile by JR Marine Construction
Your shoreline isn’t just a boundary — it’s the heart of your waterfront lifestyle. It’s where kids cannonball off the dock, where summer barbecues bring
Built to Ride Out Every Wave: Granite Rock Shorelines by JR Marine Construction
Waves, boat wake, ice, and fluctuating water levels can eat away at a shoreline one storm at a time. The fix isn’t always a rigid
Tackling Invasive Aquatic Weeds in Ontario: Protecting Your Shoreline, Beach, and Marina
Ontario’s lakes, rivers, and ponds are some of the province’s greatest treasures. From cottage owners enjoying private beaches to marinas supporting recreational boating, these waterways
5 Reasons Retaining Walls Are Essential for a Strong, Beautiful Shoreline
Owning waterfront property in Georgina or along Ontario’s nearby lakes is a dream come true. Your shoreline is one of your greatest assets, offering unmatched
Protecting Your Shoreline with Heavy-Gauge Steel Sheet Piling
When you own waterfront property, your shoreline is more than just a scenic view—it’s part of your investment. Over time, wind, waves, ice movement, and
Repair or Replace? A Smart Dock Owner’s Guide to Extending Your Waterfront Investment
If you’re staring at weathered boards and wobbly cleats wondering whether your dock is worth saving, you’re not alone. At JR Marine Construction, we see
