A good friend of ours took his mapping passion commercial by providing routable GPS maps in Panama for use with Garmin GPS. Here is information from the PTYGPS.com site.
An interactive map from National Geographic called Panama Adventure Map. One of the best maps I have found as it is printed on a lightweight waterproof material, and can easily fold smaller to fit in a pocket or bag. Available for $11.95 + shipping (January 2010) from their online store here.
A detailed map of the Republic of Panama from Hertz Car Rental. This map is provided as a courtesy upon renting your vehicle from Hertz.
A detailed map including all 9 provinces throughout the Republic of Panama including: Bocas del Toro, Chiriquí, Coclé, Colón, Darien, Herrera, Los Santos, Panama, and Veraguas. Do you need a provincial map to showcase your project? This map is available in Vector EPS (Illustrator) format for download. Contact us for a custom quote.