Head out with confidence! All the same marine and lakes content and advanced features found in Navionics+ for GPS plotters are augmented with 3D View, satellite overlay and panoramic photos to provide the ultimate situational awareness. Designed with the most demanding boaters in mind, these additional viewing options can be used on a growing number of GPS plotters. We make thousands of edits every day, so you can always have the most current charts. Daily updates and advanced features are included for one year. For boaters who don't venture far beyond their homeport, Platinum+ XL size charts have all the valuable Platinum+ features, but for a smaller area.Platinum+ charts are eligible for Freshest Data which now includes the new SonarCharts™ layer.