Your Peace of Mind on the Water is Our Highest Priority
- 40 Years of Experience
- Reliable & Efficient
- Trusted Service Partner
We understand that the reliability of your vessel is not just about leisure or business – it’s about your safety and livelihood. Since our inception in 1982, our focus has always been on serving the commercial and pleasure craft owners of our community with unparalleled wisdom and dedication.
Your needs are as unique as your boat, and that’s why we offer sales and services designed to address every aspect of marine vessel care. From routine maintenance to emergency repairs, our team is equipped to handle challenges of all scales, ensuring your time on the water is safe and enjoyable. Our quick part sourcing and well-stocked inventory mean that help is always at hand, and you have a maritime partner you can trust.

From Humble Beginnings to Marine Excellence
Led by Wayne Gregg, a veteran and longtime supporter of the marine community, our team embodies expertise and dedication. Wayne’s journey from a Navy mechanic to the founder of Gregg’s Diesel Service is driven by a commitment to provide you with a 5-star customer experience backed by knowledgeable technicians who understand the critical importance of a reliably running boat.
Our story is one of innovation, trust, and collaboration. In 1992, we became one of the first John Deere Marine Dealers in the country, and our partnership with Cascade Engine has enabled us to become one of the top dealers in the US, a recognition we wear with pride. Our strong partnership with brands you trust is a testament to our dedication to serving you with the best of the best.
Don’t let maintenance or repairs needs keep you docked. Reach out today to discuss service options.

Meet Wayne Gregg, Owner
With a career that spans back to his days in the Navy, Wayne’s vision for Gregg’s Diesel Service has always been to serve boat owners with integrity, expertise, and a deep understanding of what it means to rely on the sea for livelihood and adventure.
Under Wayne’s leadership, this business has grown from a one-man mobile mechanic operation to a beacon of excellence in the marine diesel service industry for decades.
From the waters of Anacortes, Seattle, or the rugged Alaskan seas – Wayne is your guy for complete diesel vessel maintenance and care.