SCUPPER DRAIN

Since 1957, Dover Marine Manufacturing & Supply Co., Inc. has been a name synonymous with quality and innovation in the marine industry. For over 65 years, we’ve proudly designed and manufactured durable, precision-engineered marine hardware and equipment right here in the United States. Our unwavering commitment to American craftsmanship ensures that every product meets the highest industry standards while supporting superior performance in demanding marine environments.

Our lineup reflects our dedication to quality and functionality. From Scupper Plugs, designed for adequate environmental protection, to the Strainer Plate W/Baffle and the Deck Drain Strainer Plate, each product is crafted to deliver reliability and performance you can trust.

Discover the products that have made us a trusted partner in the marine industry. Visit our product page today to explore our full range of expertly crafted marine solutions.

At Dover Marine Manufacturing & Supply Co., Inc., our mission extends beyond producing exceptional marine hardware—we are dedicated to fostering long-term relationships with our customers. We understand the challenges marine professionals face and strive to provide solutions that address their needs and exceed their expectations. Every aspect of our operation is designed to ensure your satisfaction with our responsive customer service and our rigorous quality control processes.

We are proud to serve diverse customers, from commercial vessel operators to recreational boaters, offering products that stand up to the most challenging conditions at sea. Our team of skilled engineers and craftsmen works tirelessly to uphold our legacy of innovation and reliability. With Dover Marine, you can trust that you're not just getting cutting-edge marine hardware—you're gaining a partner committed to keeping your operations running smoothly and safely.