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Every map tells a story. We help you tell yours.

Take a quick tour of this state-of-the art ocean mapping and information resource
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Submarine Cables

Map collection reorganized to include updated telecom and power line data, retire older layers
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Expanded Map Layer Import Tool

Tool now compatible with several additional types of map services; users can save and share data from external sites
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Mid-Atlantic Whale & Dolphin Watch Areas

View the most popular ocean areas in the region for marine mammal sightseeing tours
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Marine Mammal Strandings

View 20 years of data from Maine through Virginia by species/group, season and county
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Fish Biomass Time Series Sliders

View fish group distributions by decade back to 1980 and new maps showing species potentially vulnerable to EMF
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View Maps

Browse over 5,000 maps showing fishing grounds, marine life habitats and much more in Marine Planner
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How to Use the Portal

Browse our library of tutorial materials, webinars and Portal use case studies
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Collaborate

Work with friends in a Group, schedule a Portal training, or share your feedback and questions with us