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Carnival Cruise Line has added two more adults-only sailings to its 2027 programme, expanding its SEA Cruises line-up with six-night Western Caribbean voyages on Carnival Paradise and Carnival Horizon. The new sailings are open for booking through 16 October 2026, so the window is short. Two New Carnival SEA Cruises for 2027 According to an update shared by Carnival Brand Ambassador John Heald, the two additional adults-only sailings are available to book until 16 October 2026. Carnival says they were added in response to popular demand and are an exclusive option for guests aged 21 and over. On board, the SEA cruises offer expanded casino access, themed parties, bingo events and other adult-focused activities. Carnival Paradise: Western Caribbean from Tampa Ship: Carnival Paradise Departure: 12 February 2027 Length: six nights, round-trip from Tampa, Florida Ports: Cozumel, Mexico, and Isla Tropicale in Roatán, Honduras Carnival Horizon: Western Caribbean from Galveston Ship: Carnival Horizon Departure: 13 May 2027 Length: six nights, round-trip from Galveston, Texas Ports: Cozumel, Mexico, and Isla Tropicale in Roatán, Honduras What Are Carnival SEA Cruises? Carnival introduced SEA cruises in early 2025 as a product designed exclusively for adults. The company said the sailings were built to maximise guests’ casino playtime and onboard experience. The programme began with select Carnival Conquest sailings in August and September 2025, and was later expanded to more ships and dates. Carnival Glory, Carnival Dream and Carnival Paradise were among the ships offering adults-only sailings in 2026, with itineraries ranging from the Caribbean to Europe. Earlier this year, Carnival cancelled a month of regular sailings on Carnival Firenze to make way for new SEA cruises on the West Coast. The ship will operate four SEA cruises on Mexican Riviera itineraries from Long Beach between October and November 2026. Is an Adults-Only Carnival Cruise Right for You? These sailings may suit: Friends’ trips and group getaways: themed parties and bingo give groups plenty to do together. Couples: a child-free atmosphere for a short Caribbean break. Casino fans: expanded casino access is the main draw of the SEA concept. Fly-cruise travellers: UK guests can combine a Florida or Texas cruise with a stay before or after sailing. Note that guests must be 21 or over, which is higher than the UK legal drinking age, so check the age rules for everyone in your party. Planning Tips for UK Travellers Act quickly: the booking window closes on 16 October 2026. Choose your gateway: Tampa is convenient for a Florida holiday, while Galveston is near Houston. Check travel documents: US entry requirements and passport rules apply, so confirm them well before you travel. Arrange flights and hotels: a travel agent can book your flights, transfers and pre-cruise night together.

Mexico has ruled out large cruise ships at Loreto in Baja California Sur. See which sailings are affected and what UK cruisers can book for 2026-27.