It has also warned people of the chaos at Dublin airport.
Lonely Planet is warning tourists coming to Dublin about hotel room shortages, soaring car rental costs, and chaos at the airport.
It's described prices for hotel rooms as 'eye-watering' and says increasing hotel costs are wreaking havoc with travellers budgets.
It's advising people to make it to the airport in plenty of time, saying Dublin Airport has been 'plagued by long lines at security in recent weeks'.
Tourists are being advised to book restaurants in advance, with Lonely Planet saying on weekends you'll have as much chance scoring the winning Lotto ticket as bagging a walk-in in a city centre restaurant.
However, the travel guide says Dublin is a city that thrives on it's reputation for craic, and you shouldn't need help finding any.
Elaina Fitzgerald Kane, chairperson of the Irish Tourism Industry Confederation, says the best way to find good value for accommodation's to book in advance and book direct: