The Marine Safety Department is responsible for 5.5 miles of City coastline and 17 square miles of ocean. Lifeguard services are provided 24 hours a day, 365 days a year. Marine Safety’s primary duties are ocean rescue, emergency medical treatment, prevention, enforcement and public assistance. The Department also provides technical rescue response in scuba search and recovery, cliff rescue response and backcountry extrication. Marine Safety is responsible for Marine Environment Education and Enforcement.