Split -- Hvar 11:30, every day
Split -- Hvar 15:00, every day
Split -- Hvar 17:00, every day

Hvar -- Split 6:30, every day except Sunday
Hvar -- Split 9:00, on Sunday
the trip takes about 1 hour

Split -- Stari Grad 1:30(Jul, 1- Sep,1), 5:00, 8:30*, 11:00, 14:30, 17:00 and 20:30, every day
Stari Grad -- Split 5:30*, 7:45, 11:30*, 14:00, 17:30, 20:00 and 23:00(Jun, 30 - Sep, 2), every day
the trip takes about 2 hours from Split to Stari Grad; from Stari Grad to Hvar there is a bus connection (approx. 20 km)

* From July, 7th till August 25th on Saturday sails from Split at 8:00 and from Stari Grad at 5:00 and 11:00

Split -- Bol (Brač) -- Jelsa 16:00, every day except Friday. On Friday departure from split is at 16:30,
the trip takes about 90 minutes; Jelsa is also on the island of Hvar and there is a bus connection to Hvar (approx. 30 km) 

Additional information can be found at the website www.jadrolinija.hr.

NOTE : The trip by the airport bus from the Split airport to the harbour takes about 30-45 min.
The tickets for catamarans can be bought in the kiosk "Jadrolinija" few meters away from the final bus-stop (see the map of Split harbour or Google maps view of Split harbour).
When buying the ferry/catamaran tickets ask where/when you have to embark.