In a large bowl, mix the flour, melted butter, sugar(s), eggs, salt, and cinnamon together. Whisk until smooth.
Squeeze or press the liquid out of the canned crushed pineapple. Then stir the coconut, banana, pineapple, and pecans into the batter. Mix until evenly distributed.
Scoop the batter into the prepared baking dish. Spread out in an even layer. Bake for 40 minutes, or until a toothpick inserted into the center comes out clean.
Cool for at least 20 minutes before cutting and serving.