Gullmarsgymnasiet is a public upper-secondary school (gymnasium) in Lysekil, Sweden, run by the municipality, offering marine-focused education since 1994. Its Natural Resources Programme (aquaculture) and Science Programme (marine biology specialization) give students access to a marine biology laboratory with a seawater intake, aluminium boats, kayaks and diving equipment. As part of the first-year curriculum, students are offered PADI Open Water Diver certification training at the school.