Related Clues:

• Icy expanse
• Splashy North Pole neighbor
• North Pole surrounder
• It's around the North Pole
• Body of water sailed in by 55-Across
• Expanse seen from Point Barrow
• White whale's whereabouts
• Water surrounding the North Pole
• Cold sea
• The North Sea? Yes and no
• Habitat for a walrus