Related Clues:

• Key element
• Billionaire's purchase, perhaps
• La mer, e.g.
• Parisian water
• Yeats' ''The Lake ___ of Innisfree''
• __ de vie: brandy
• Ireland or Elba
• Aruba, for one
• Fontaine content
• ___ minerale
• Water in Cannes
• Water, in Nice
• ___ au Haut, Maine
• Shipwrecked one's refuge
• 52-Across, e.g.