The nearest airport is Knock airport, 60km(50min) with direct fligthts from Britain and Europe with
RyanAir,
Aer Lingus
Bmi baby,
Aer Arann and other airlines. It is the best and way to get to Old Mike's please check directions on map.

Dublin airport is 3.5 hrs.
Shannon airport is 2hr,
Galway airport is 1hr.
Belfast airport is 4hrs.
The nearest ferry is Dublin or Belfast but you can also get a ferry to Cork, or Rosslare.
Trains from Dublin to Westport three times a day.
For Directions check Google map for Old Mike's Cottage Westport Ireland
co-ordinates GPS
or google maps with the below Coordinates
+53° 43' 30.92", -9° 32' 21.67"