Welcome Aboard
Sean Alexander Marine Services Inc. was founded in 2000 with the goal of creating a company capable of serving local governments in their advancement of the public interest by restoring and preserving the beauty and health of the Sacramento Delta and its environs. Our founder, Robert W. de la Cruz is an individual with a passion for the San Francisco Bay and Delta who possesses an exceptional aptitude for solving problems and obtaining positive results, irrespective of the challenges posed. Focusing on providing the highest quality work possible to the public and private sectors, our company continues to prosper, despite facing both environmental challenges and the recent economic hardship that has beset our country, Sean Alexander Marine Services Inc. has become a valuable resource for all public agencies charged with the improvement and maintenance of Northern California's valuable and beloved marine environment.

As a result of our management team's consistent vision and leadership, Sean Alexander Marine Services Inc. and Seal Marine Salvage continue to grow and expand. With the recent acquisition of key pieces of equipment, as well as the re-design of one of the larger rigs, we have positioned our organization to be a leader in Northern California waterway restoration. Our environmental goals are further advanced by our steadfast commitment to leading the marine industry by promoting the fundamentals of fair business dealings, including unwavering adherence to honest, candid communication with our clients and a constant pursuit of innovation in our industry. These characteristics not only render our company among the most desirable with which to contract but have also made Sean Alexander Marine Services Inc. / Seal Marine Salvage the "go to" company for any entity or individual seeking effective, conscientious, and fairly priced marine construction, salvage or detritus remediation within the San Francisco Bay and Delta system.

In addition to our commitment to waterway restoration through our environmental salvage and remediation, Sean Alexander Marine Services Inc. and Seal Marine Salvage excel at providing the highest quality construction of piers, wharfs, docks, dolphins, marinas, launch ramps, walkways, and gangways. Our satisfied clientele range from individuals to large entities such as the myriad governmental agencies with whom we consistently contract. Additionally, our perfect environmental, safety, and security record stands as a testament to the fact that our management, supervisors, and crew are equally committed to performing the highest quality work while fostering an attitude of safety awareness and environmental sensitivity. Finally, our insistence on maintaining close coordination with operations personnel, knowledgeable supervisors, and engineers, as well as our regular and timely reporting, has elevated Sean Alexander Marine Services Inc. and Seal Marine Salvage far above similar companies in terms of ease of use, fairness of cost, and dedication to environmental preservation.

Contact Form
Bay Area Office
Berth 18
Mare Island, CA 94592

Delta Office

4480 Discovery Point
Discovery Bay, California 94505