Has services primarily to the UK. The airport website lists bus services to Westport and Galway. It's 15km north of Knock. Departures incur a €10 airport tax, payable at the airport.
With departures from the pier at Roonagh, with round-year sailings, but a higher frequency between May and September (up to five per day). Small discounts for booking online.
Runs year-round boats to Clare Island and Inishturk. The ferry from Roonagh pier takes less than 10 minutes to reach Clare Island. Consult the website for times of sailings.
Has one to two ferries daily from Roonagh Quay, near Louisburgh; the crossing (€8/5 per adult/child return) takes 50 minutes.