This study estimates the technical and economical efficiencies of different internet marketing organizations which sell environmentally friendly agricultural products. DEA and regression methods are employed. Input variables used are total investment, costs, construction costs of internet system, and number of employees. Output variables are total sales value, net profit, number of internet orders and visitors to the internet homepages of the marketers. This study reveals the overall efficiencies of the internet marketings for environmentally friendly agricultural products are low. Particularly marketing efficiency of the farmer-seller type marketers turns out to be the lowest, where as the merchants who do not produce but sell the products both on and off lines have the highest value and the merchants specialized by internet sale only show second highest value.