Maps/Charts

• AIS Map -  Automatic tracking system used on ships and by vessel traffic services (VTS) for identifying and locating vessels by electronically exchanging data with other nearby ships and AIS Base stations. From Marine Traffic
• Interactive Cape Ann Chart Viewer
• Cape Ann Chart Booklet - pdf file
• Rockport Chart - Historical Chart from 1902
• Rockport Chart - Historical Chart from 1859
• Ipswich Bay to Gloucester Chart - Historical Chart from 1912
• Topographic Map - World topographic map. Zoom in or out to change the view
• Northeast Ocean Data Portal - The Northeast Ocean Data Portal provides free, user-friendly access to expert-reviewed interactive maps and data on the ocean ecosystem, economy, and culture of the northeastern United States.