Marine Products
For over 30 years, Diversified Plastics Inc. has been at the forefront of providing superior plastic products through our advanced rotational molding process. This meticulous manufacturing technique ensures that each product exceeds industry standards, offering years of reliable service. In addition to our range of plastic material handling products, we offer quality boat dock floats, boat lift tanks, marine holding tanks and dock post bumpers designed to enhance the durability and performance of marine structures.
Dock Floats
Our heavy-duty dock floats are perfectly suited for newly constructed and existing boat dock systems, ensuring an easy installation process. Boat dock floats from DPI are available in various sizes to cater to your specific needs.
Dock Float Buoyancy Specification Sheet (PDF)
Boat Lift Tanks
Diversified Plastics Inc.'s boat lift tanks offer stability and buoyancy for easier boat 
maintenance and storage. With significant resistant qualities, these marine lifts provide the support needed to handle vessels with care, season after season.
Boat Lift Tanks Specification Sheet (PDF)
Holding Tanks
Water holding tanks from DPI are your go-to solution for freshwater or wastewater. We have crafted our plastic, corrosion-resistant holding tanks using state-of-the-art rotational molding technology to enhance your water management practices.
Holding Tanks Specification Sheet (PDF)
Dock Post Bumpers
Diversified Plastics Inc. offers boat dock post bumpers designed to provide reliable boating protection while docking. Made with durable, long-lasting thick plastic, these post bumpers withstand harsh marine conditions and fit a variety of dock posts.
Boat Dock Post Bumper Specification Sheet (PDF)
Various colors and sizes available. Request your quote today!