Deep sea drilling vessels, which also serve as a platform for maintenance work or installation in oil fields. Navantia built the Transocean Driller.
Structures of large dimensions whose function is the extraction of oil and natural gas from the deposits, in addition to serving as housing for the workers who operate in it and as a telecommunications tower. Navantia built the Discoverer Enterprise, the Discoverer Spirit and the Discoverer Deep Seas
Boats of flat ground, built mainly for the transport of heavy goods along rivers and canals. Navantia built the Hammerfest, Castor XI and Svanen.