Best Adult Only Cruises Viking Ocean Cruises. With a strict years-or-older policy, all Viking Ocean Cruises have been adult-only cruises Norwegian Cruise Line. Although Norwegian Cruise Line ‘s . 5 Cruise Lines to Try if You Just Can’t Stand Being Around Kids on Vacation. Virgin Voyages. The much-ballyhooed new line under development by Richard Branson’s Virgin Group will ban children .
While not all-inclusive, P&O Cruises offers two adults-only (18+) cruise ships: the 1,passenger Aurora and 2,passenger Arcadia. The British line is a good option if you want a kid-free. Best Holiday Cruise: Azamara Club Cruises. Sails from: Buenos Aires. Duration: 15 nights. Ship Name: Azamara Pursuit. Itinerary: Montevideo, Uruguay; Santos, Brazil; Ilhabela, Brazil; Paraty, Brazil; .