You can see these lighthouses on their lighthouse lovers cruise: Portland Harbor Breakwater (Bug), Spring Point Ledge, Ram Island Ledge, and Portland Head. Note that many of their other tours will also include lighthouses, but not as the main focus. See website for pricing, times, and dates. Tours leave from 170 Commercial St, Portland, ME 04101. Call 207-774-0808 or email info@portlanddiscovery.com