Archipelago

Archipelago (2016) is a horror directed by Frode Nesbø Nordås rated 2.7/10.

The summer of 2004, three teens are involved in a boat accident and an unknown girl ends up dead. Ten years later, the same group plus some others, travel to their summer cabin where the dark deeds of their past starts haunting them. Dangerous water skiis and a crazy person attacks them, and nobody knows why.