Marina Dock Parts


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    We hope you can find everything you need. Marina Dock Parts is focused on providing high-quality service and customer satisfaction - we will do everything we can to meet and exceed your expectations.
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Leasing Advantage!

Marina Dock Parts can help you afford upgrades to your docks, Fueling system and office management by offering the option to lease your new products, software or equipment including power pedestals, decking, ladders, access control systems or most anything on our website through Marlin Leasing.

Acquiring new equipment or management software is most likely the largest capital investment you will make for your business. Equipment or software financing is an easy, economical way for businesses of any size to get equipment or software without making a large cash investment. Whether you are looking to expand current capacity or looking to replace old, inefficient equipment  or upgrade software, Marina Dock Parts will help you understand how financing solutions help you acquire the equipment and/or software you need for your business.

Your decision to finance equipment or software should not be taken lightly. We provide you with all the necessary resources to get the equipment and/or software you need - when you need it. Our acclaimed Single Point-of-Contact® service model offers you a dedicated financing professional who assists you every step of the way throughout the process.

Equipment and/or software financing has many advantages for your business, including conserving your cash and reducing taxable income for your business.

Equipment or software financing is a form of credit and can extend your company's borrowing power outside of conventional loans.

For more information about Marina Dock Parts Leasing and how it can benefit your location and even save you money, contact Marina Dock Parts at 360-739-1056 or

Standard Floats

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3 Floats.png

Standard Floats

from 63.70
Add To Cart

Available in Both Standard and Flange Attachment Profiles

  • Over 70 Dock Float Sizes Available

  • Choose from Molded in Mounting Slots or Heavy Duty Mounting Flange

  • One Piece Rotational Molded Seamless Construction

  • 100% Virgin Grade Polyethylene Material

  • .15” Nominal Wall Thickness

  •  Solid EPS Core – 100% Virgin EPS Material

  • 15 Year Limited Warranty

  • In-House Tooling and Engineering

  • 25 Years Plastic & Foam Experience

  • Meets Corps of Engineers & Similar Regulations

  • Surpasses Falling Dart & Hunt Absorption Test Standards

    MDP Floats are manufactured by Hendren Plastics utilizing the latest rotational molding equipment with cutting edge technology such as programmable logic controller and infrared telemetry feedback.  Our state of the art equipment, in-house tooling and engineering allow us to produce over 60 sizes of high quality floats at the most affordable prices in the industry.  MDP Floats are available in two profiles, the standard attachment with molded in mounting slots and a flanged version with a 1-1/2” wide and 3/8” thick heavy duty mounting flange which encompasses the perimeter of the float.   Sizes range from our 8" rowing dock float to our colossal 4x8x36, providing over 5,000 lbs of buoyancy.

Both profiles offer seamless rotational molding construction using only 100% virgin resin, .150” nominal wall thickness and solid EPS core with 1 lb density.  All EPS beads are expanded in a state of the art pre-expander.  Every batch is weighed and density checked to maintain precise control of density and uniformity of bead size.  Decades of industry experience allow us to fuse the best foam block inside the plastic shell and have a 15 year warranty and surpasses the Seven Day Hunt Absorption Test and ASTM 1988-04 Dart Drop Test.  Onsite laboratory testing ensures the most stringent quality control measures are met on a daily basis.