Beat butter with a mixer until smooth.
Add lemon zest, coconut extract, vanilla extract, and confectioners' sugar to butter. Beat until combined. Scrape down the bowl and mix again.
Add flour, chopped coconut, salt, and lemon juice. Beat until a thick dough forms.
Refrigerate the covered dough for a minimum of 30 minutes (up to 3 days). If chilled for 2+ hours, let the dough soften at room temperature for 30 minutes before rolling.
Set the oven temperature to 350°F (177°C). Line baking sheets.
Roll dough into 1-tablespoon balls. Place on baking sheets, 2 inches apart.
Bake for 15 minutes or until the cookie edges are lightly golden.
Cool on a baking sheet for a few minutes before transferring to a wire rack to cool completely.