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!
Selected by judges of DAME Design Awards!
The judges of the Metstrade 2025 DAME Design Awards have awarded the Expansion Hub a Special Mention in the "Safety and Security Aboard" category.
The Expansion Hub was showcased in the special DAME Awards display, Hall 13 at Metstrade in Amsterdam November 18-20, 2025.
Be The First To Get One!
The first units begin shipping January 2026. Initial availability is limited. Enter your contact details to get on our notification waitlist for when you can purchase one yourself:
