Many of Port St. Lucie’s residents and visitors are unaware that part of the 1979 James Bond film Moonraker was filmed on the St. Lucie River because of its similarity to the Amazon, or that the name of Elkcam Waterway is “Mackle” spelled backwards, homage paid to the three Mackle brothers whose General Development Corporation of the late 1950s sparked Port St. Lucie’s first growth spurt. GDC also put one of its model homes in Grand Central Station in New York City to entice prospective buyers for what is now River Park. The siren call of “$10 down, $10 a month” brought the initial flocks of snowbirds south.