View across the harbour to the Island of Samson. The Scillonian passenger ferry sails the 2 hour 45 minute journey to Penzance from mid-March to October. As well as the busy fishing boats, trips to the Islands depart. frequently during the season. The Gry Maritha maintains an all year round service and departs Penzance on Mondays, Wednesdays and Fridays, returning from St Mary’s on Tuesdays, Thursdays and Saturdays. The Lyonesse Lady delivers freight between islands six days a week (Monday – Saturday).