Port Maria is the capital town of the Jamaican parish of Saint Mary.

Originally named "Puerto Santa Maria", it was the second town established by Spanish settlers in Jamaica. The ruins of Fort Haldane, built 1759, overlook the town.

It has a population of approximately 7,500 people. include St Mary's Parish Church, built in 1861, and the St Mary courthouse, a Georgian structure built in 1820 which now houses the Port Maria civic centre. Jamaica's first Prime minister Alexander Bustamante was put on trial for manslaughter with Frank Pixley at the courthouse in 1947. They were acquitted.

Port Maria is the birthplace of Sports Illustrated model Georgianna Robertson.

As of March 2012, the Mayor is Levan Ainsworth Freeman.

The Jamaica Heritage trail has Fort Haldane, The St. Mary Courthouse and Claude Stuart Park with marked signage.

*St Mary courthouse, a Georgian structure built in 1820. Jamaica's first Prime minister Alexander Bustamante was tried in 1947 for manslaughter with Frank Pixley at the courthouse. They were acquitted. After a fire gutted the building in 1988, it was rebuilt maintaining the original style and reopened as the Port Maria Civic Centre in 2000.

• St Mary's Parish Church, built in 1861

Port Maria exports Bananas, it is also a local economic centre for surrounding localities, serving as a market for them. The surrounding area produces logwood, coconuts, coffee, oranges and pimento.

*Otram River

• Paggee River
• Frontier Estate
• Trinity plantation
• Alfred Constantine Goffe