Porlamar is the most populated city, major seaport and major center in the state of Nueva Esparta, Venezuela. It is situated on the southern coa…Porlamar is the most populated city, major seaport and major center in the state of Nueva Esparta, Venezuela. It is situated on the southern coast of Margarita Island, one of three islands in the Caribbean Sea off the South American mainland which make up the state of Nueva Esparta, at a distance of 6 miles from the state capital of La Asunción. Porlamar is the capital of Mariño, the most populous of the eleven municipalities into which the state of Nueva Esparta is divided.