Monstro! 2010 on netflix

Three gorgeous but deadly hired killers, Beretta, Blondie and Snowball, hole up in a small beachside community to keep a low profile. But this town has a dark secret. The local old sea baron, Joseph, tries desperately to warn them to never go into the water. But these crazy vixens listen to no one, especially no crazy assed old fool. So the Kraken awakes! Now, along with Joseph and his beautiful grand daughter, Hannah, they must fight for their lives against this furious creature of the deep as the sea rises in a tidalwave of blood.