“What map card would need to be purchased to use this gps in near coastal south florida waters?”

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• The GPSMAP 78, is not able to read our newer sd cards with the coastal maps. If you can locate an older chart then it will be compatible. For more information contact us at [email protected] or visit our Support Center, https://support.garmin.com/en-US/. Thanks Jenny

  Answered by GarminProductExpert 5 years ago

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