On The Rocks The Mai Tai (375 ML) is $10.99 at CBC Liquors, Westford in Massachusetts — in stock now, with pickup and local delivery. The Mai Tai by On The Rocks is a premium ready-to-drink cocktail that delivers the classic tiki experience in a convenient format. Crafted with quality ingredients, it offers a balanced blend of citrus and rum flavors, perfect for on-the-go enjoyment.