Ferries and catamarans arrive at Ubli, an undistinguished hamlet and ex-army base on the south-west coast, from where minibuses and taxis can be had. Local buses are timed to meet the ferries.
In season, Jadrolinija runs an afternoon ferry and catamaran from Split, journey times 4hr 30min and 3hr 15min respectively, single tickets around 70kn. The catamaran also stops at Hvar (45kn to Ubli) and both stop at Vela Luka (35kn to Ubli) on Korčula. There’s also at least one extra morning ferry from Vela Luka.
In July and August, G & V Line currrently runs a high-speed boat from Dubrovnik to Ubli (95kn) at 8am on Tuesdays and Thursdays, arriving at noon. Boats stop at Sobra and Polaće on Mljet (70kn to Ubli), and at Korčula (60kn to Ubli).
Scooter rentals are the best way to explore the island, arranged through the Lastovo Tourist Office (+385 20 801 018) in Lastovo village, open June-Sept 8am-8pm daily, Oct-May 8am-3pm Mon-Fri.