Slipway Grey: A Deep Sea Thriller

Mysterious disappearances plague Pensacola Beach, but this won't stop a group of party-loving friends from having one last blowout at an exclusive beach mansion.
A massive predator lurks beneath the sea green waters off the Gulf coast. The sugar white sands will be stained blood red and shouts of joy morphed into screams of terror by bone breaking jaws with an insatiable appetite for human flesh!
But is there something on land just as deadly?