Guests under 21 years of age must be accompanied by a parent, guardian or chaperone who is at least 21 years old; one adult chaperone is required for every five people under age 21. A guest must be at least 6 years of age at the time of embarkation in order to sail on voyages to Antarctica or on Expedition Cruises. We will not accept reservations for infants 6 months or younger for non-transocean sailings, 12 months or younger for transocean sailings at the time the cruise commences.