“You brought us to shark-infested waters the day before my wedding!” shouts Manchester bride-to-be-Lizzie (Lauren Lyle), having seen one of her party chomped on by an ocean apex predator.

Closer to the intimate, lo-fi thrills of Open Water and 47 Metres Down than the high seas camp of Deep Blue Sea and The Meg, director Hayley Easton Street’s debut feature is essentially Bridezilla vs Jaws, as a gang of gal pals, partying in the Caribbean for a destination wedding, are left stranded by not enough life jackets, one float and a leaky boat as Mr. Shark comes a-calling. The result lacks surprises, feels very familiar, perhaps working best as a cautionary tale for the kind of self-absorbed people who force their friends to pony up for ridiculously expensive nuptials abroad.

Something In The Water is very nearly that rare thing, a film with an all-female cast — an accolade spoiled by...