Boomerang Bay may refer to:
Geography Boomerang Bay, Bigge Island off the coast of the Kimberley region in Western Australia. Water parks The brand 'Boomerang Bay' applied to Cedar Fair properties: Boomerang Bay, former name of South Bay Shores water park at California's Great America amusement park Boomerang Bay, former name of Carolina Harbor water park at Carowinds amusement park Boomerang Bay, former name of Soak City (Kings Island) water park in Mason, Ohio