Mary Ann Martin motors the trails carved among the grassy bulrushes rimming Lake Okeechobee, emerging on a watery expanse that ends where blue meets blue at the horizon.
"This is the Big O. Isn't it beautiful? Blows your mind. You can't see hardly across the lake."
She cuts the pontoon boat's engine. In the distance anglers fish for bass, catfish and crappie. Cormorants and pelicans take flight from a small island, their wings beating the water's surface.