Travel Note
Casco Bay Lines easiest way to Cliff Island from Portland. Plan on being on the boat for 50-90 minutes - it's a beautiful trip! The schedule is seasonal and will be updated for June 2022 in early Spring. The cost of a round trip ticket is $11.55. You only need a ticket on your way out to Cliff Island - going back to Portland you are able to board any scheduled ferry. Ferry Parking: https://www.portlandmaine.gov/DocumentCenter/View/1429/Parking-Convenient-to-Casco-Bay-Line
Travel Note
Water taxis are available from Portland Harbor to the public ferry dock on Cliff Island. The trip takes approximately 30 minutes and costs around $100 (can carry up to six people). There are multiple operators; Fogg's is linked below.