Two-in-five (or 40%) boat crossings to Skellig Michael were cancelled this year, due to bad weather.
The UNESCO world heritage site opened to visitors from the 11th of May, with it being inaccessible for an average of two in every five days during the four-and-a-half month season due to poor conditions.
The caretakers of the ancient monastic island off the South Kerry coast are facing pressure to open up the attraction earlier in the year, according to the Irish Mirror.
Its popularity with tourists has grown since it was used as a shooting location for two Star Wars films in 2015 and 2017.