Holidaymakers have reportedly been forced to sleep on beaches in Spain because hotel rooms they had booked where still closed when they arrived in resort.
Some hotels are not yet operating despite websites taking bookings, causing chaos for British sunseekers when they arrive at their destination.
In response, some are sleeping on the beach in some sun-kissed destinations, like Salou, while others have to pay again to secure accommodation, according to consumer watchdog Which?
Paul Davis, 48, from Lincolnshire, spent £1,500 on a trip to Spain on July 1 - but found the 4R Regina Gran hotel shuttered on arrival, BirminghamLive reports.
Mr Davis was finally able to transfer to a hotel run by Loveholidays, but lost his £250 deposit.
He told the Times: "When we pulled up I thought we must have the wrong hotel: it was all shut and hadn't been opened for a good while.
"It's disgusting. We were fortunate enough to have the money to stay somewhere else but lots of other people probably aren't in that position."
Another tourist, Anita Lorenzo, discovered the Sol Wave House in Magaluf, Majorca, was closed when she arrived - forcing her to fork out £600 on a self-catered flat.
Holidaymakers also found the Sol Fuerteventura Jandiá hotel in the Canary Islands had not opened.
Rory Boland, editor of Which? Travel magazine, told The Times: "It is beyond belief that holidaymakers have been left in a position where they have either had to fork out hundreds of pounds for alternative accommodation or risk being left with nowhere to sleep."
A Loveholidays spokeswoman said: "We are aware of a few instances where customers have arrived at hotels that are closed and our in-resort emergency assistance team are working with those customers to find them suitable alternative accommodation."
She added: "We apologise for any inconvenience or distress this may have caused our customers. We will of course refund the cost of his hotel booking."
