Jump scares throughout, mostly with noises cutting from one scene to another. All the scary parts are built up or telegraphed, nothing scary in the jump scares.
26:10 - when they are inspecting the bodies washed up on shore, one person exclaims "He's alive!". We see movement in his abdomen, his stomach is cut (plug your ears here) and eels slither out, someone v* offscreen. Over at 26:30. Audio only.