Description: This is a detailed map of the city Port Mayaca in Martin County, Florida. Section Township Range (STR) is shown. This map shows state roads, railroads, canals, water tanks, a hotel, a school, a business, a cemetery, citrus packinghouse, farm units and dwellings other than farms. Key to Florida Highway maps. Source: , Florida State Road Department (, FL: , 1936) Map Credit: Courtesy the private collection of Roy Winkelman.