General Info

Operational for over 45 years, Marathon Construction Corporation is a full-service marine and general engineering contractor. Located in Lakeside, Calif., it specializes in marine and heavy civil construction throughout the western United States. The firm offers expertise in the areas of industrial/commercial construction, environmental mitigation/reclamation/habitat restoration, heavy civil/earthwork and dredging. Its extensive list of clients includes Crystal Pier, Lockheed Martin, Dana Marina Landing, Blaylock Engineering Group, University of California San Diego and Coronado Landmark Inc., among others.