In a large bowl, beat butter and sugars until blended. Beat in eggs and vanilla.
In another bowl, whisk flour, baking powder, baking soda and salt; gradually beat into sugar mixture.
Stir in oats and coconut.
Cover the bowl with plastic wrap and put it in the fridge for at least 1 hour or until the dough is firm.
Preheat the oven to 325°. Unwrap and scoop the cookies. Place 2 in. apart on a baking sheet lined with parchment paper. Bake 10-12 minutes or until golden brown. Cool on pans for 5 minutes. Remove to wire racks to cool.