The Horror of Party Beach (1964) is a Horror, Music, Science Fiction film that follows radioactive waste dumped off the coastline creates mutant monsters. The beasts attack slumber parties, beaches, tourists, and terrorize a waterfront community as a scientist, his daughter, her boyfriend and the local police try to find a way to stop them. Currently, you can watch The Horror of Party Beach on Amazon Prime Video, Amazon Prime Video with Ads, Shout! Factory Amazon Channel, Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 4.3 out of 10 from 46 votes. Fans of horror movies may also want to explore similar titles below.