Taxi-boats are available in Patitiri and leave for day trips to the uninhabited islets around Alonissos; those islets are forming the Marine Park for their submarine caves and the waters surrounding them are a refuge for the endangered species of Mediterranean Monk Seals. Only a few of those islets are allowed to be visit, the others are part of the Marine Park of Alonissos and are protected areas.
Throughout the year, transportation to and from Alonissos is on a daily basis with additional timetables during the summer months.
Agios Konstantinos best accommodates visitors coming from the Athens area with daily runs with the FLYING DOLPHINS and FERRY BOATS. The trip from Agios Konstantinos is both comfortable and pleasurable with a duration of 2 - 2 hours and 45 minutes with the FLYING DOLPHIN and 4 hours and 30 minutes by the JET FERRY.
Visitors from Central Greece will find the FLYING DOLPHIN and the FERRY BOATS running daily and at frequent intervals from Volos. The Flying Dolphin takes 2 - 2 hours and 40 minutes to arrive with stops at Skiathos and Skopelos. The FERRY BOATS take 4-4.30' hours making the same stops.