Preheat oven to 325°F and prepare pie plate and pie crust.
Beat together 1½ cups granulated sugar, 1 Tablespoon cornmeal, 1 Tablespoon all-purpose flour, 5 eggs and ¼ teaspoon salt until smooth and well combined.
Stir in drained 1 cup crushed pineapple, 2½ cups flaked coconut and melted ¼ cup butter.
Pour filling into crust and bake for 50-60 minutes or until just set and a bit golden on top.
Cool completely before serving.
Store in the refrigerator but allow to sit at room temperature for a bit before serving if possible.