Creatures From The Abyss ( 1996 )

Sit Right Back And Hear A Tale, A Tale Of A Frightful Ship!

Five bright young teenagers decide to go for a ride in a small rowboat on the open ocean. Strangely, they come across an abandoned yacht with mysterious biology laboratory! Bob and Julie decide to make love on the boat, but radioactive plankton from the lab infects them. How will they escape when Bob messily devours Julie and monsters begin running rampant on the boat?