Captain's Watermelon Keg, the perfect BBQ accessory. Recipe: 1.5 oz Captain Morgan Original Spiced Rum 3 oz Watermelon juice 0.5 oz lime juice 0.5 oz sugar syrup  Get more rum recipes at https://us.captainmorgan.com/rum-cocktails/?utm_source=pinterest&utm_medium=social&utm_term=bbq&utm_content=long_island&utm_campaign=recipe