Navionics Plus Regions South Marine and Lake Charts on SD/MSD by Navionics (1) Buy new: $ 149.00 $ 141.47 22 used & new from $ 135.84 (Visit the Hot New Releases in Vehicle GPS list for authoritative information on this product’s current rank.) Amazon.com: Hot New Releases in Electronics > GPS & Navigation > Vehicle GPS Hot New Releases in GPS & Navigation