A CRUISE filmed by Channel 4 for a reality show turned into a drug-fuelled orgy, passengers claim.

Guests are said to have made out in public, snorted cocaine and smoked weed on the week-long trip aboard Vision of the Seas.

One Briton was arrested by police when the cruise, being filmed for new series Shipmates, reached the French port of Cannes.

Another passenger vomited into the swimming pool while others had to be pushed around the decks in wheelchairs or were crashed out asleep in corridors.

Passenger Alicia Morris, 37, said: “It was like a floating episode of Geordie Shore with drugs and escorts and a police raid or two. The show was being filmed all the time on the boat, with cameras everywhere.”

Another passenger told The Sun: “Sometimes you didn’t know if you were on a cruise or in the middle of some drug-fuelled orgy.”

The ship, with 1,500 passengers, started in Barcelona before heading to Cannes, Ibiza, Palma and returning to the Catalan city.

Travel firm Anchored chartered the ship from operator Royal Caribbean Cruises.

Also on board being filmed for Shipmates were two teams of five battling it out in a series of tasks.

The other passengers had to cast their votes for the winner.

Channel 4 producers bragged it would become “the most Instagrammed event this year”.

But passengers claimed drugs were freely available and drunken guests ran riot.

Alicia said: “It was a far cry from the glamorous party cruise it’s advertised to be. It was carnage.”

One guest who boarded in Barcelona said: “People were smoking weed.”

Another revealed: “There were big white double beds around the pool too and I saw people all over each other on them.”

There is no suggestion any of those in the show were involved in any wrongdoing.

Images from previous cruises show crowds of cruise-goers making the most of their trip, partying in the pool and even decking themselves out in glitter.

Channel 4 said: “We cannot comment on the behaviour of other passengers.”

Royal Caribbean Cruises said it had a zero tolerance policy for use of illegal drugs. It added there was a “strict guest conduct policy” and “ship charters were held to the same strict standards”.

A spokesman said: “We operate with the health and safety of our guests and crew as our highest priority.

“We are co-operating fully with law enforcement on this matter.”

Anchored did not respond to a request for a comment.