Preheat the oven to 325 degrees . On a rimmed baking sheet, spread out the coconut flakes; bake until golden, 2 to 4 minutes. Let cool.
In a large bowl, gently toss the peaches, berries, pineapple, sugar and cardamom; let sit 15 minutes. Toss again, then sprinkle with the pistachios and coconut.