Custom Installed GPS Watercraft Security, Recovery, Tracking & Location Awareness From Blackline GPS

Protect, share and connect as never before with the most-effective permanently installed GPS system available for your watercraft. Powerfully combining always-on cellular networks, top-tier GPS tracking and tamper-sensing technology that activates from your own keychain, plus the exclusive, instantly triggered Monitoring & Recovery Service powered by Blackline GPS to speed the return of your stolen watercraft, Harpoon GPS is your extra layer of assurance when you can’t be there yourself.