MAPS OFFLINE
You can download maps or marine chart, you need select area  and application save tile in the disk. You can navigate on preloaded maps or chart without connection.

Marine Navigation is powerd by:

• NOAA Map(view)

National Oceanic and Atmospheric Administration (NOAA),
Marine Navigation use NOAA RNC raster United States waters marine charts

• NOAA Mediterranean(view)

National Oceanic and Atmospheric Administration (NOAA), Marine Navigation use Bathymetric

• Mediterranean RNC(view)

Mediterranean  RNC (Raster Navigational Charts)

• LINZ NewZealand(view)

NZMariner is the product name of New Zealand’s Official RNC (Raster Navigational Charts)

• Ocean Maps (view)

Esri created and released a new, comprehensive map of the world’s oceans and coastal areas

• Topo Maps (view)
  

This world topographic map  includes boundaries, cities, water features, ports, physiographic features, parks, landmarks, transportation, and buildings.

• World Map(view)

 This map service presents satellite imagery for the world and high-resolution imagery for the United States and other areas around the world.

• OpenSeaMap(view)
  

Open Sea Map is a first opensource maps for the sea, with ports, sea light and more.