Features and benefits: Learn more about the detailed cartography, SonarChart HD bathymetry, dock-to-dock route guidance, daily updates, and Plotter Sync features. Compatibility: Check if this chart card is compatible with your specific chartplotter model. Pricing and availability: Find out where to purchase the chart card and compare prices from different retailers. Alternatives: Explore other chart card options for the U.S. East coast that might be suitable for your needs. Reviews and ratings: See what other boaters have to say about the Navionics 010-C1370-30+ Naus007r U.S. East.