6 Best Adult-Only Cruises (and Cruise Lines) | Cruise. Jul 04, · Created as an offshoot of longtime river cruise company Uniworld, the line operates two adults-only ships that boast sleek, matte black exteriors, mixologists and DJs on board, deck-top yoga and communal tables for dining. Accommodations include studio bedrooms, some of which hold up to three people. U River Cruise.
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. Nov 19, · With a strict years-or-older policy, all Viking Ocean Cruises have been adult-only cruises since the very beginning. Ever since they revolutionized the river cruise industry, with stylish .