Arthur R. Marshall Loxahatchee National Wildlife Refuge Arthur R. Marshall Loxahatchee National Wildlife RefugeStation reference point HQ Unit (Special regs)1,344 acres Motorized and Non-Motorized Watercraft Zone (Special regs)38,260 acres Non Motorized Watercraft Zone (Special regs)102,445 acres Strazzulla Unit (Special regs)2,592 acres South Unit Closed (Closed)610 acres