01 - Place pineapple, peach, coconut milk, coconut water if desired, sweetener, ice cubes, and shredded coconut into a blender.
02 - Process on high speed until the mixture is completely smooth, pausing to scrape down the sides as necessary.
03 - Taste the smoothie and adjust sweetness as needed with additional sweetener.
04 - Pour into glasses and garnish with extra shredded coconut or a wedge of pineapple or peach if desired.
05 - Serve immediately while chilled.