- HD 1080
- Runtime: 105m.
- Status: Released
0
- Languages: es
- Country: Spain, United States of America
- Director: Juan Piquer Simón
- Stars: Terence Stamp, Peter Cushing, Blanca Estrada, Ana Obregón, Paul Naschy
- keywords: treasure, island, based on novel or book, stranded, dinosaur, creature, shipwrecked, monster island
- Production_studio: F. Ariza, Almena Films, Fort Films Productions
- Slogan: On an island forgotten by time, perilous adventure awaits!
- providers: FlixFling
- The Mystery on Monster Island is featured in the top rankings of 1981
- #96 in Top Comedy Movies of 1981
- #33 in Top Adventure Movies of 1981
- #84 in Top Horror Movies of 1981
A young European boy living in San Francisco is reluctant to marry his long-term girlfriend because he wants to travel around the world first. His wealthy uncle agrees to send him on a global expedition aboard his ship, but en route the boy and his travelling companion are shipwrecked on a remote island, populated by countless prehistoric creatures as well as gold-hunting bandits.