Digital Maps

SeaMarks For Your Computer

Waypoint/Data Management Program



“Seamarks” is software for your computer designed to run on Windows based operating platforms. Seamarks contains the entire Maps Unique databases updated to 2021 by providing a northern or southern geographic coverage to choose. There are 4,000+ unique waypoints extending from Oregon Inlet, NC to St. Simon’s Island, GA.

All coordinates include, place names, bottom structure type/description, and water depth. Sites shown on chart plotter include all natural bottoms, all artificial reef structures, wreck locations and place names. Maps Unique data uses a special icon for distinguishing your own numbers from my data.

“Seamarks” has routines for organizing, displaying, printing, plotting, and planning that will provide coordination and clarity for all your waypoints. Yes— you can manually add or import your own waypoints to SeaMarks in either GPS or Loran. And yes, you can upload massaged data to a SD card and format it for import and export to your GPS model. You can also create your own custom colored maps along with custom log books of all your data and save and update these as needed. Seamark accepts GPS data, Loran data, or both. The program will automatically converts Loran coordinates to ASF corrected GPS coordinates.

1) North Includes Cape Hatteras, Cape Lookout, and Cape Fear
2) South Includes Murrells Inlet, Charleston, Beaufort SC and Savannah

“Nav-Unique” SD Cards

Maps Unique Waypoints/Data for your GPS

Nav Unique

$249.99 Version #2 New Release 

“Nav-Unique” is supplied on a Mini SD card with a standard SD card adaptor also included
Simply insert the Nav-Unique SD card in the GPS unit and click the function to upload data on your GPS. The card is already formatted for most all GPS units/models including, Garmin, Furuno, Simrad, Raymarine, Hummingbird, C-Map, and others.

New for 2023, each SD card comes with 2 large geographic areas the same as the hardcopy printed map areas. Data includes all natural bottom sites, all individual artificial reef structures, and wreck locations. Tagging along with each waypoint entry is a description field which provides place name, type of structure(s), and water depth. Chart plotters will display waypoints, special Maps Unique icons matching the hardcopy map sites, and many place names. Each region literally has 1000 unique waypoints. Never manually import another site again.

Nav-Unique SD cards are provided in six separate large regions, each directly corresponding to the Maps Unique hardcopy southeast series.

1) Hatteras/Cape Lookout (Oregon Inlet, NC to Swansboro, NC)
2) Cape Lookout/Cape Fear (Beaufort, NC to Carolina Beach, NC)
3) Cape Fear/Murrells Inlet (New River Inlet, NC to Georgetown, SC)
4) Murrells Inlet/Charleston (Southport, NC to Charleston, SC)
5) Charleston/Beaufort, SC (Charleston, SC to Edisto River, SC)
6) Savannah GA/Beaufort SC (Beaufort, SC to St. Simon, GA)

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