Seawalls Docks Boat Lifts Electrical Commercial Galleries About News CONTACT US Custom Dock Builders VIEW OUR DOCK OPTIONS & ACESSORIES GALLERY Setting A New Standard in Custom Docks Since 1979 Whether you need a dock for your personal watercraft or a new 200 slip marina, Duncan Seawall has the experience and ability to build a dock you will be proud of for years to come. When constructing a dock, your material options are almost endless. The pilings, substructure, decking and fasteners can be customized to meet your specific needs and budget requirements. Duncan Seawall will assist you through the entire dock construction process. Several of our standard features include: VIEW OUR DOCK OPTIONS & ACESSORIES GALLERY Marine Grade Materials We use 8” and 10” diameter, 2.5 C.C.A. marine grade pressure treated pilings for maximum strength and life expectancy Maximum Stability Our pilings are jetted a minimum of 6' into the bay bottom and then driven for maximum stability and to prevent settling Large Selection of Colors & Styles We have a wide range of decking colors and selections from brands like Trex and TimberTech (formerly Azek) No Rusting or Lifting Stainless steel screws are used to attach the decking with no rusting or lifting of the deck boards Create a One of A Kind Custom Dock Duncan Seawall offers a wide variety of accessories, options and add-ons for your brand new Dock. LEARN MORE ABOUT OUR ELECTRICAL CAPABILITIES Ladders Bumpers Cleats Lights Pile wrapping Pile caps Dock step downs Handrail (Cable, P.T., Composite and Rope) Slide Moor docking system Fish cleaning tables Dock storage boxes Benches and chairs Dipped and wrapped pilings We Want to Make the Design Process as Easy as Possible At Duncan Seawall, we want to make designing your new dock or deck as easy as possible. That's why we have a design center where you can come in and see all of our products for yourself. DOWNLOAD OUR DOCK GUIDE Choose From a Wide Selection of Materials Duncan Seawall has a wide range of decking from marine grade pressure treated decking, Trex Capped Composite Decking, TimberTech (formerly Azek) Composite Decking, Weardeck and beautiful IPE Hardwood. Previous Next Take A Look At Our Work Our 40 years of experience shows in our work. Take a look at some of our featured projects to see our expertise for yourself. VIEW THE FULL FEATURED DOCKS GALLERY Previous Next Duncan Seawall Dock & Boat Lift is Southwest Florida's largest full-service marine contractor. CONTACT INFO 1714 Independence Blvd Sarasota, FL 34234 Phone: (941) 999-3266 Contact Us ADDITIONAL LINKS Resources Gallery Electrical Services Dredging Product Catalog Seawall Construction Golden Boat Lifts SUBSCRIBE TO OUR BLOG Email* SCC - Specialty Contractor License | CGC - General Contractor License | Marine - A1346 | CGC - 1517864 | Electrical - EC13005773 Privacy Policy Inbound Marketing by Nextiny