Trinidad is a seaside city in Humboldt County, located on the Pacific Ocean 8 miles north of the Arcata-Eureka Airport and 15 miles north of the college town of Arcata. Trinidad is noted for its coastline, with ten public beaches and offshore rocks, part of the California Coastal National Monument, of which Trinidad is a "Gateway City." Fishing operations related to Trinidad Harbor are vital to both local tourism and commercial fishing interests in the region.