Navionics® State Selectable Chart of Marine and Lakes USA
Provides all the freshest data coverage you need. With this prepaid chip, simply visit Navionics.com and select a state (California, Texas and Florida are split into two selectable regions). Once selected, Navionics extensive, 17,000-lake database delivers updating regional lake charts and data – up to 10,000 changes per week. Regions bordering the Great Lakes or coastlines get marine coverage out to three nautical miles.