Cranberry martini is one of the most loved cocktails of all times which is believed to have originated in America. Cranberry martini is characterized by a unique red color. This cocktail is known for its refreshing quality and is best consumed during summer months. A very popular beverage during office parties or college parties, this drink is loved by people from all age groups. Very easy to make, this beverage can be easily made at home. The main ingredients used to make Cranberry martini are cranberry juice, vodka or gin and vermouth.