There were more than 2.12 million trips made to Ireland between April and June, according to figures from the Central Statistics Office, up 12.3% on the same period of last year.
This brings to 3.47 million the number of trips made to the country in the first half of the year – a 10.3% increase on figures for 2013.
During the most recent quarter, 837,700 trips were made by residents of Britain – a 15.2% rise on the same period of last year.
Around 395,000 residents of North America came to the country during the same time, up 12.8%, while trips from European countries aside from Britain increased by 9.3% to over 770,000.
During the same three month period, almost 1.8 million Irish residents made trips abroad – up 2.2% on the same period of last year.
This brings to 2.94 million the number of overseas trips made by Irish residents in the first half of the year, down almost 0.6% on the first six months of 2013.