Unlocks a comprehensive suite of additional wired sensors and features for our Boat Monitor.
24/7 Additional Monitoring & Alerts
NMEA 2000
Three additional battery banks
Fire, Theft and Shore Power (with backup power)
A second bank of bilge pumps
Optional Offshore Satellite Coverage
Additional Expansion Capabilities For 2nd Bilge Sentry and even more sensors!
See it all on your phone!
Alerts, history, and NMEA 2000 data
Simply connect what you want to monitor to the Expansion Hub, and it'll all appear automatically on our simple to use app!
Check fluids, battery levels, engine hours, and more... anytime, anywhere!
The Expansion Hub Connects Easily
Attaches with only one cord to your Boat Monitor
The Boat Monitor is the system's brain and communication hub. Simply connect to the Expansion Hub with the provided cable and you'll be up and running!
Be The First To Get One!
Units begin shipping late November 2025 Enter your contact details to learn more and be notified when you can purchase one yourself:
