The Marine Safety Division is responsible for the procedure and administration of the maritime basic safety and lifeguard division as nicely as the risk-free and lawful use of the 9 miles (14 km) of beach locations, 5,300 acres (2,100 ha) of oceanfront property, waterways and marinas. Land area: 5.54 square miles. Population density: 19,814 individuals for each square mile (quite high).