The White Nights Martini is a signature cocktail of St. Petersburg, inspired by the city's famous White Nights phenomenon. This refreshing drink combines vodka, elderflower liqueur, fresh lime juice, and a splash of soda water. It is garnished with a sprig of mint and a slice of lime. The White Nights Martini is the perfect drink to enjoy during the summer months when the city is bathed in sunlight for almost 24 hours a day.