**Prepare the Ingredients:**
Wash and chop the fruits as needed. Drain canned mandarin oranges if using.
**Combine Fruits:**
In a large mixing bowl, gently mix the pineapple, mandarin oranges, grapes, strawberries, and coconut.
**Add the Creamy Base:**
Fold in the Greek yogurt, ensuring the fruit is evenly coated. If desired, add honey or maple syrup for extra sweetness.
**Incorporate Marshmallows and Nuts:**
Gently stir in the mini marshmallows and chopped nuts (if using).
**Chill and Serve:**
Cover and refrigerate the salad for at least 1 hour before serving to allow the flavors to meld.