Thousands of cruise passengers were left scrambling after MSC Cruises scrapped an 11-night Caribbean sailing because the ship failed a US Coast Guard inspection in Miami.

The MSC Poesia, a vessel that carries more than 2,550 passengers, was due to leave the Port of Miami on Sunday 1 November. Instead, it was detained with guests already on board after a pre-departure Port State Control Examination turned up problems. The Coast Guard has stayed tight-lipped on specifics while the inspection is ongoing, but Captain Frank Florio, commander of US Coast Guard Sector Miami, confirmed that 'deficiencies with systems on board the vessel' had been identified and were being worked through with MSC. The ship stays in port until cleared.

By Tuesday morning, with two days lost and no resolution in sight, the cruise line called it off. The cancelled itinerary was a tempting one: 11 nights calling at Jamaica, Colombia, Panama, Costa Rica, Honduras and Belize — a sweep of Central American and Caribbean highlights. MSC says passengers are being helped with flights home and will get a full refund of their cruise fare. In a statement, the line apologised for the disruption, saying a regulatory matter arose before departure and could not be resolved in time.

For anyone booked on the ship's next trip, the schedule appears back on track: the Poesia is due to depart on 12 November for a 10-night round-trip Eastern Caribbean itinerary.

It's a reminder that even big-name cruise lines aren't immune to regulatory hold-ups, and it's not the only cruise drama making headlines right now. Separately, hundreds of passengers have been left stranded in Cambodia after the residential ship Villa Vie Odyssey — home to people who sold up to live at sea on its perpetual world cruise — suspended operations and asked residents to leave the vessel.

If you're booked on a cruise and nervous about delays, the practical lessons are worth noting. Regulatory inspections happen before you sail, so arrive a day early if you're flying in for embarkation, keep flexible travel plans for the return leg, and know your rights: in cases like this one, a full fare refund is standard, but you'll want to document any extra costs for flights or hotels you have to cover yourself. Travel insurance that covers cruise cancellation and delay is a sensible buy, especially for longer itineraries with multiple port stops.

The affected passengers had booked a fairly ambitious route through six countries — the kind of sailing where the ship is your hotel for nearly two weeks, so a cancellation is a big deal, not a minor hiccup. MSC's swift refund-and-repatriation response is the best-case outcome of a bad situation, but it won't restore the holiday. Anyone cruising out of Miami in the coming weeks would be wise to check their line's status before heading to the port.