Savanna-la-Mar is the chief town and capital of Westmoreland Parish, Jamaica. A coastal town, it contains an 18th-century fort constructed …Savanna-la-Mar is the chief town and capital of Westmoreland Parish, Jamaica. A coastal town, it contains an 18th-century fort constructed for colonial defence against pirates in the Caribbean. Savanna-la-Mar was originally established as a settlement in Spanish Jamaica.