Find Boat Service Pros in Guerneville

Welcome to CNI Marine Services. We've been providing comprehensive yacht care in the San Francisco Bay area since 2006. Capt Steve Neil has been in the marine business for over 30 years. Whatever your needs might be, we can help.

Marine Mechanical and electrical experts turned in to a boat sales facility. We sell, Chris Craft, Defiance, Arima, Sailfish, Crownline, Finnseeker and Inmar RIBs. We are also a Garmin direct dealer. We service and repair what we sell with priority.

We love boats! We love boat owners, too. Berkeley Marine Center is the premier small boatyard on the San Francisco Bay. Whether you need a full refit, painting, fiberglass repair, mechanical, electrical, plumbing, metal fabrication or welding, wood working, rigging, custom part fabrication-CNC machining, or a custom boat built.

We are a certified Mercury service center, we sell all sizes of Mercury outboard engines & MerCruiser inboard engines, and Mercury stern drives. We can service and repair your new Mercury engine under warranty. We also work on all other makes and models of boats and Jet Skis. Yamaha, Honda, Indmar, Sea doo, PCM, Volvo Penta, Suzuki, Tohatsu, OMC

Boat repair shop. We do tune-ups, water pumps, and trailer work.

Boat Doctor is a boat repair shop with 35 plus years of experience of repairing boats in Sonoma and the surrounding counties.

Northern California's premier SUPRA and MOOMBA dealer! Full Proshop with wakeboards, Wakesurf boards, SUP's, Tubes, Ropes and more!

Charles Bernard is a Boat Repair Technician in San Francisco. He specializes in mechanical repairs, electrical repairs, and plumbing.

Boat repair shop

Our Mission: Helmut’s Marine Service Inc. strives to be a customer-focused distributor of Volvo Penta marine engines in CA, HI, AZ, NM, NV, UT and Guam. Offering the largest inventory of parts and engines with the highest standard of service and support.

Engine Sales: Helmut’s Marine carries the largest inventory of Volvo Penta gasoline and diesel engines. With our broad range of drive systems and engines for propulsion, auxiliary equipment and complete marine generator sets, we work with you to find the right engine package for your needs.

Parts Sales: Helmut’s Marine Service, proudly carried the largest inventory of genuine Volvo Penta parts in the United States. If we do have to order the part you need, we benefit from the Global Volvo Logistics, one of the most efficient parts distribution networks in the industry, which also services Volvo Trucks, Volvo Buses, and Volvo Construction Equipment. It provides the entire Volvo Penta dealer network with a world-class supply chain and logistic services- ensuring you get the right parts at the right time.

Service: Our workshop is equipped with advanced diagnostics systems, the full range of special tools and the very latest service information. Maintenance and repairs are carried out by certified technicians, who are continuously trained in the latest Volvo Penta technology and repair methods, using only Genuine Volvo Penta Parts.