Pre-loaded and ready-to-use, Navionics Plus Maps provide complete inshore and offshore marine content, plus rivers, bays, and more than 38,000 lakes around the world. Choose from very large coverage areas to more localized chart cuts. Get reliable, detailed, and accurate cartography from Navionics for marine and lakes content. Navionics comprehensive global database grows everyday as they integrate data from official hydrographic services and private entities to generate a valuable, easy-to-use product that goes well beyond official charts.