Possible Clues:

• Vodka brand with a blue bottle
• Blue-bottle vodka brand
• Vodka with a Coastal Cranberry flavor
• Competitor of Absolut and Grey Goose
• Vodka brand that's above all others?
• Stoli competitor
• Vodka in blue bottles
• Vodka brand that sounds like it should be available on a plane
• Big vodka brand
• Spirit in a blue bottle