Idyllic postcard images of Marco Island show a slice of life, a moment in time, captured for posterity. But sometimes, it’s the hastily written message on the back of the postcard that tells the story. Visitors to the island were already sending postcard memories of Marco Island back home to their loved ones when Barron Collier founded Collier County in 1923 – and they’re still doing it today, 100 years later.