{"@context":"https://schema.org","@type":"Place","additionalType":"https://schema.org/Port","name":"Isla San Marcos","identifier":"MX SMI","unlocode":"MX SMI","city":null,"country":"Mexico","waterBody":"Gulf of California; North Pacific Ocean","harborSize":"Very Small","harborType":"Open Roadstead","channelDepthMeters":0,"confidenceLevel":null,"coordinates":{"latitude":27.183333,"longitude":-112.1},"description":"Worked since the company's founding in 1923, the gypsum deposit on Isla San Marcos in the Gulf of California is the world's second-largest, and its port exists to ship that single mineral. Operated by Compañía Occidental Mexicana (COMSA), the facility is a captive open-roadstead loading point for dry bulk rather than a container or general-cargo terminal. It moves gypsum (calcium sulfate rock) only — more than 100 million tonnes shipped to date — chiefly to the US west coast, Canada, Japan, the ","url":"https://www.freight-academy.com/en/information/seaports/isla-san-marcos-port-mx-smi","markdownMirror":"https://www.freight-academy.com/api/md/seaports/en/isla-san-marcos-port-mx-smi","source":null,"provider":{"@type":"Organization","name":"Freight Academy","url":"https://www.freight-academy.com"},"quickSummary":"Isla San Marcos · (UN/LOCODE: MX SMI) · Mexico · Very Small"}