Formed in 1989 under EIN 93-1003997, the San Diego Port Tenants Association in Point Loma represents more than 800 tideland businesses and industries from its Shelter Island office on San Diego Bay. The coalition's 45-member board spans manufacturing, ship repair, marinas, commercial fishing, cruise operations, yacht clubs, aerospace, and hospitality—a cross-sector scope that overlaps with the blue-economy cluster organized by The Maritime Alliance at Liberty Station. Policy committees covering Real Estate, Marine Recreation, Marine Industrial, and Membership & Marketing channel tenant concerns into formal advocacy before the Unified Port District's Board of Port Commissioners. A 2019 economic-impact analysis attributed 70,000 direct and indirect jobs and $9.4 billion in annual regional output to businesses within the Port District's boundaries, with strategic Navy and Coast Guard partnerships giving the association standing in defense-related land-use decisions along the Shelter Island corridor. That defense coordination extends to sportfishing infrastructure at landings like Fisherman's Landing, where commercial and military vessel traffic share the same harbor channels. The association's most technically demanding project was securing a $6 million California Energy Commission grant to electrify cargo-handling vehicles at six port-tenant facilities and deploy an Intelligent Transportation System on terminal-adjacent roads.