A secret buried beneath the surface, revealed only through the water's eerie transformation. Lota de Sesimbra - Fish port and auctions is one of the most important in mainland Portugal and is the fish landing and sale area for the species captured by the local fleets. Docapesca is a state-owned company under the Ministry of Agriculture, Sea and Environment . It provides the public service of organising the sale of fish and supports the fishing and fishing ports sector.