The Beach Girls and the Monster (1965)

Directed by Jon Hall. Set against the backdrop of a picturesque beach in Southern California, the story follows a series of mysterious deaths that occur along the coastline. A monster, hidden beneath the waves, emerges to terrorize the local beach community. The film focuses on a group of carefree teenagers who, unaware of the danger lurking in the waters, continue to enjoy surfing and beach parties. As the deaths escalate, suspicions arise, leading to a thrilling and suspenseful hunt for the elusive beach monster.