Puree coconut meat and water and lemon juice in a blender until smooth. Top with blueberries and drizzle with honey.
To open a fresh coconut, cut away the outer husk of the top of the coconut until the shell is visible. Strike around the top of the shell with the heel of a chef's knife at a 45-degree angle. Pry the top of the shell off with the tip of the knife. Pour the liquid through a strainer into a pitcher. Use a metal spoon to remove the meat from the shell.