The new ROCKBOX BLUE by Rock City Marine has been designed from the ground up to be both the easiest to use and most advanced tactical sailing instrument available.


  • More functions than comparable instruments
  • Easy to use
    • Flip through pages of info
    • Quick access to the functions you want
  • Graphic screen allows data to be displayed numerically or graphically
  • The RockBox Blue is a development platform, the current firmware version is just the start - Click the FUTURE DEVELOPMENT link in the left menu to see what we have planned
  • High performance GPS with 5 hertz update rate
  • Backlight for use at night
  • Engineered screen is viewable at all angles with polarized sunglasses
  • SD card for data logging and upgrading firmware
  • Mounts vertically or horizontally, the RockBox automatically reads the orientation and sets up the screen appropriately
  • Buttons on the front of the case, where you can see them
  • Use batteries or external power
  • Optional wireless remote lets you control your RockBox from anywhere on the boat
  • Optional magnetic compass gives you magnetic heading, as well as heel angle and fore/aft trim

Visit the Functions page to see all that the RockBox can do!

How does the RockBox compare to the competition?

Download the comparison table below, or take a look at the instructions

RockBox Blue versus the competition
(Comparison as of 08-06-2013; ProStart 1.3 Manual; SpeedPuck 1.3 Manual; NS360+ Operating Manual v1.1)
Competition comparison 08-06-2013.pdf
Adobe Acrobat document [124.0 KB]

Are you ready to rock?

         Visit the ROCKBOX Store.