- $18.95NOAA Chart 12281: Baltimore Harbor 21.00 x 26.49 (Small Format Waterproof)Amazon
- $18.95NOAA Chart 12278: Chesapeake Bay Approaches to Baltimore Harbor 21.00 x 26.38 (Small Format Waterproof)Amazon
- $32.99Maptech® NOAA Recreational Waterproof Chart-Baltimore Harbor, 12281West Marine
- $32.99Maptech® NOAA Recreational Waterproof Chart-Chesapeake Bay Approaches to Baltimore Harbor, 12278West Marine
- $28.95Paradise Cay Publications, Inc. NOAA Chart 12278: Chesapeake Bay Approaches to Baltimore Harbor 35.5 x 44.7 (Traditional Paper)Amazon