Drizzle peaches with Madeira and sprinkle with 2 Tbsp sugar. Let sit for 30 minutes, then grill 4 minutes per side. Fill with blackberry mix.
Toast oats and pecans in oil. Add syrup, then bake at 350 for 15 minutes. Cool, break into pieces and sprinkle over peach berry mix.
Scoop out solid coconut and leave the water behind. Put in a chilled mixing bowl. Add sugar and vanilla, whip on high for 4 minutes until stiff, and chill. Top peaches with coconut whipped “cream.”