01 - Combine frozen pineapple, frozen mango, banana, coconut milk, and lime juice in a blender. Blend until completely smooth and creamy, scraping down sides as needed.
02 - Divide the blended tropical mixture evenly between two tall glasses, filling each approximately one-third full.
03 - Slowly pour 1 cup of chilled lemon-lime soda into each glass to maintain carbonation and create layered effect.
04 - Place one generous scoop of vegan vanilla ice cream atop each float, allowing it to float on surface.
05 - Decorate with fresh mint leaves, pineapple wedges, and toasted coconut flakes. Serve immediately with straws and long spoons for optimal enjoyment.