VUS515L Covers:Detailed coverage of the Gulf of Mexico from Brownsville TX to Plantation Key FL including Corpus Christi TX Matagorda Bay Galveston Bay Port Arthur TX Atchafalaya Bay the Mississippi Delta Chandeleur Islands Tampa Bay and the Florida Keys west of Key Largo. Also includes Lake Ponchartrain and Lake Maurepas to Vermilion Bay and Lake Calcasieu. Bathymetric coverage of offshore features from Vernon Basin to Alaminos Canyon including DeSoto Canyon Mississippi Canyon and Green Canyon.BlueChart g2 VisionWhat is Bluechart® g2 Vision?Plug an optional BlueChart g2 Vision SD card into your new Garmin chartplotter and tremendously expand its capabilities. By adding a BlueChart® g2 Vision card to your compatible chartplotter you ll have access to premium mapping features such as true 3D-view detailed mapping capabilities (both above and below the waterline) plus helpful Auto Guidance high-resolution imagery and real picture aerial photos of ports harbors marinas waterways navigation landmarks and other points of interest. BlueChart g2 Vision Features:BlueChart g2 Vision SD cards enhance the preloaded maps on your chartplotter and add a whole new dimension of exceptional features such as:High resolution satellite imagery when overlaid on the chart provides the mariner with unparalleled situational awareness. Aerial reference photography provides real world photos of ports harbors marinas waterways navigation landmarks and other points of interest offering the mariner another powerful tool for navigating unfamiliar waters. Mariner's Eye View perspective provides a bird's eye view from behind the boat showing the chart information for a quick reliable and easy position fix. Fish Eye View 3D perspective provides an underwater view that visually represents the sea floor according to the chart's information. <b>Auto Guidance technology searches chart data to suggest the best passage to a destination. Fishing charts allow the mariner to hide navi