The Sailing GPS is unique in realizing that sailboats tack to their destination, which affects the distance and travel time.  If standard GPS chartplotters don't know how far your tacking route is, how can they calculate the ETA correctly?  Fortunately, The Sailing GPS solves this problem.  It accounts for sailboat tacking when calculating optimal routes, distances and Tacking Time to Destination.

Easy to use.  Viewable in direct sunlight. Sturdy case with no glass screen -- just drop it in your boat bag and go.

For sailors, the best GPS that money can buy.  $399 US.  Quantities are limited.  Order here.