Somewhere in the South Pacific
Shake 1oz of the grenadine, coconut milk, lime juice, and optional 1.5oz rum over ice. Strain into a brandy or punch glass filled with ice, top with club soda and mint. Add the remaining 1oz grenadine and allow to sink to the bottom of the glass.
Vintage glass in the photo courtesy of our friends at The Hour, a vintage and contemporary cocktail-ware company based in Alexandria, VA.