How to contact C-Map or Navionics

Question

​How do I contact C-Map or Navionics to purchase their chart cards?

Solution

​You may contact C-Map at the following phone number:  508-477-8010, or through their web site at: http://www.c-map.com.
 
You may contact Navionics at the following phone number: 800-848-5896, or through their web site at: http://www.navionics.com.