Crush 30 wafers in a food processor or blender. Transfer to a bowl or pie dish and mix with butter until well blended. Press onto the bottom of a 9-inch pie plate.
Spread the remaining wafers around the edge of the pie plate.
Beat cream cheese and sugar together in a large bowl with a hand mixer until well blended. Gently stir in the whipped topping, pineapples and sliced strawberries.
Freeze for 4-6 hours prior to serving.
Top with optional garnishes: coconut flakes, pineapple or kiwi