Best prices on Garmin in Marine Electronics. Check out BizRate for great deals on Marine Electronics from Garmin, Minn Kota and RAM Mount. Use BizRate's latest online shopping features to compare prices for Garmin. Read product specifications, calculate tax and shipping charges, sort your results, and buy Electronics with confidence. Easily narrow your search and find the product that's perfect for you: Garmin 140 Fish Finder - Garmin Fishfinder 160C Sonar System with Transducer.