Bundle price
€
123456
No extras selected yet
+
Bilge water sensor
€
55543
Sentinel Bundle
SafeGuard Plus
Security monitoring, onboard system visibility, and remote control — one complete connected solution for your boat.
YOUR BUNDLE. YOUR WAY.
PRE-CONFIGURED.
READY TO upgrade.
Review everything included in your bundle, then add sensors and accessories to create the perfect setup for your boat. As you customize your bundle, your configuration and subscription update automatically.
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what's in the box
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Boat Monitor BM-50 STANDARD
Included
Best for 30ft+ sailing yachts, motor yachts, and most modern leisure boats.
Shore Power Sensor
Included
Monitor shore power connection status and receive immediate alerts if power is disconnected.
Bilge High Water Sensor
Included
Detect rising bilge water levels before they become serious problems.
Door / Hatch Sensor
Included
Know immediately when doors, lockers, or hatches are opened.
NMEA 2000 Drop Cable
Included
A NMEA 2000 drop cable is included to connect the Boat Monitor directly to your vessel’s NMEA 2000 network.
Add MORE to your
·
SafeGuard Plus
monitor more battery banks
(1 included in the bundle)
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Add Power input connection kit
+€89.00
Add Power input connection kit
2 left
Power Input Connection Kit
SENT-BAT-PIK
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Required to safely connect and monitor an additional battery bank. Includes fuse holder and fuse.
boost Functionality with Extra Sensors
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Wireless Door/Hatch Magnetic Sensor White
SENT-WL-HATCH-WHT
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Know immediately when doors, lockers, or hatches are opened.
Wireless Anti Theft Sensor
SENT-WL-THEFT
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Adds an extra layer of theft protection with movement and tamper detection while your boat is unattended.
Wireless Shore Power Sensor
SENT-WL-SHORE
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Monitor shore power connection status and receive immediate alerts if power is disconnected.
Wireless Dry Contact Sensor
SENT-WL-DRY
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Acts as a wireless bridge for compatible wired sensors, such as a bilge float switch, transmitting their signals to the Boat Monitor for real-time monitoring and notifications.
Wireless Temperature & Humidity Sensor
SENT-WL-TEMPHUM
gid://shopify/ProductVariant/58550455992645
Monitor environmental conditions onboard, including temperature and humidity levels.
Wireless Door/Hatch Magnetic Sensor Black
SENT-WL-HATCH-BLK
gid://shopify/ProductVariant/58550456779077
Know immediately when doors, lockers, or hatches are opened.
Wireless Motion Sensor
SENT-WL-MOTION
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Detect movement inside the cabin while your boat is unattended.
Boost precision
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External GPS Antenna 6m
SENT-ANT-GPS-6M
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External GPS antenna with a 6-metre cable for reliable positioning where the monitor has no clear view of the sky.
External GPS Antenna 3m
SENT-ANT-GPS-3M
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External GPS antenna with a 3-metre cable for reliable positioning where the monitor has no clear view of the sky.
SafeGuard Plus
You save €222
1-year plan SML included
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Choose installation type
Self install
Professional installation
Recommended
Professional installation and setup by a cerified Sentinel Partner.
· Availability depends on your location and local certified Sentinel Partners.
· Full product warranty
Request a non-binding offer →Prefer to fit it yourself?
· Step-by-step installation videos
· Detailed activation guides
See installation videos →Please choose an installation option to continue.
After year one
€
SHOP
/yr
Subscription plan keeps your boat connected worldwide — real-time monitoring & alerts.
You save €222
compared to
purchasing
each part individually
Orders are shipped from the EU. Outside of EU Customs duties and taxes may apply.
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Select addons
S PLAN
Included in your bundle. Renews at €150/year from year two.
Need a larger setup?
You’ve reached the maximum number of devices supported by this subscription. Our experts can help you design a custom solution.
Contact an Expert →You’ve reached the maximum of 3 battery banks this Boat Monitor can monitor.
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INSTALLATION OPTIONS
Installation
Your choice.
Choose the installation option that fits your boat, your skills, and your schedule.
PROFESSIONAL INSTALLATION
Installed and configured by certified Sentinel Partners.*
- Professional installation and setup
- Full system configuration
- Full product warranty
Recomended
INSTALL IT YOURSELF
Prefer to install it yourself?
- Step-by-step installation videos
- Detailed activation guides
*Professional installation availability depends on your location and local certified Sentinel Partners.
COMMON RISKS WHEN YOU’RE AWAY
WHAT
SafeGuard Plus
CAN PROTECT YOU FROM
No checking, no wondering. Sentinel watches continuously and reaches out the instant something needs your attention — whether you're on the dock or a thousand miles away.
Shore Power Lost
Disconnected or tripped — you know before the batteries do.
Battery Dropping
Voltage falls below the threshold you set.
Water in the Bilge
Rising water detected early — not after the damage is done.
Unexpected Entry
A door, locker or hatch is opened when it shouldn’t be.
Engine Running
Engine activity detected when it shouldn’t be.
Engine Overheating
Engine temperature climbs past safe operating levels.
TEMPERATURE & HUMIDITY
Monitor temperature and humidity levels onboard.
Left the Geofence
Your boat leaves the area you’ve set.
No guesswork. No surprises.
SWITCHING & INTEGRATIONS
PLUG INTO WHAT’S ALREADY THERE.
No checking, no wondering. Sentinel watches continuously and reaches out the instant something needs your attention — whether you're on the dock or a thousand miles away.
Remote Control OutputS
Simple digital switching — out of the box
BM-50 STANDARD includes 1 built-in Remote Control Output, allowing simple remote switching directly from the Sentinel app. You can control selected onboard equipment such as:
- Lighting
- Refrigerators
- Pumps
- Other supported onboard systems
Additional Remote Control Outputs can be added through Sentinel HUB.
Disclaimer
Some onboard equipment may require additional interface hardware depending on the system configuration and power requirements.
CZONE · EMPIRBUS · SIMARINE · OTHERS
Integrate with existing systems
Sentinel can integrate with compatible digital switching and onboard monitoring systems such as CZone, EmpirBus, and Simarine — allowing deeper onboard visibility and expanded control possibilities through existing onboard infrastructure.
This means SafeGuard Plus can become part of a larger connected boating ecosystem rather than operating as a standalone monitoring device.
Disclaimer
Some integrations may require additional third-party subscriptions, hardware, certifications, or compatibility verification.
Why boat owners choose
SafeGuard Plus
Real reasons owners rely on Sentinel — and what it means for your boat day to day.
*Available data, alarms, and monitoring capabilities depend on the sensors, engines, and equipment installed on your vessel’s NMEA 2000 network.
- Protect your boat from the most common onboard risks
- Monitor battery status and shore power connection
- Detect water ingress before it becomes a major issue
- Receive instant alerts when doors or hatches are opened
- Access selected NMEA 2000 information remotely*
- Track engine operating hours automatically*
- Control selected onboard systems remotely
- Prepare your boat before arrival
- Stay informed about critical onboard systems
- Enjoy complete visibility of your boat wherever you are
NOT QUITE WHAT YOU’RE LOOKING FOR?
LET’S FIND THE PERFECT SETUP
Explore our complete bundle range or request a custom configuration tailored to your boat.