Insurance Approved · Trusted Globally

Complete Boat Security and Monitoring

Solutions for all boaters, whether owners are serious about boat security and monitoring protection or they only want to meet minimum insurance requirements.

142Countries Covered
24/7Real-Time Alerts
100%Global Satellite

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Insurance Discounts
Worldwide Coverage
Hardwired Reliability
FCC · Verizon · AT&T Certified
Shop The Guardian

Pick the protection that fits your boat

From near-shore tracking to insurance-grade offshore monitoring — every Guardian keeps your investment safe with real-time alerts and rock-solid hardware.

The Guardian Cellular Tracker
Cellular Tracker

The Guardian — Cellular

Ideal for monitoring your boat while you're away within cellular coverage.

  • Real-time cellular tracking
  • Global 2G/3G/4G LTE
  • 125dB waterproof siren
  • Supports up to 6 sensors
From $895
Most Popular
The Guardian Hybrid Cell/Satellite Tracker
Cell + Satellite Tracker

The Guardian — Hybrid

Meets insurance carrier requirements — unlocks coverage & discounts.

  • Worldwide GPS tracking
  • Iridium 2-way satellite
  • Covers 142 countries
  • Battery & entry monitoring
From $1,495
Full Security
Cellular Security Bundle
Cellular Security Bundle

Cellular Security & Monitoring

Full security package designed to protect your electronics & gear.

  • Infrared beam sensor + strobe
  • High water & shore power alerts
  • Real-time cellular tracking
  • 125dB siren + entry sensor
From $1,895
Top Choice
Cellular/Satellite Full Security
Cell + Satellite Bundle

Cell/Satellite Full Security

Exceeds insurance requirements — our flagship global protection package.

  • All Hybrid Tracker features
  • Infrared sensor + white strobe
  • High water & shore power sensors
  • Global satellite + cellular
From $2,495
Why The Guardian

Built for boaters who take protection seriously

Hardwired, certified, and engineered to keep false alarms out — so every alert you get actually matters.

Real-time GPS Tracking

Pinpoint your boat at any moment with cellular + satellite coverage that follows you anywhere.

24/7 Monitoring & Alerts

Text and voice alerts the second something changes — water, battery, entry, or shore power.

Insurance Approved

The Hybrid meets carrier requirements — unlocking premium discounts on your policy.

Global Iridium Satellite

True 2-way satellite coverage where cellular dies — offshore, bluewater, and remote anchorages.

Mobile App Control

Arm/disarm, view trips, set geofences, and manage alerts from your phone, anywhere.

Zero False Alarms

Hardwired sensors and industry-leading engineering mean alerts you can actually trust.

The Marine Guardian Difference

Hybrid Cell + Satellite technology that truly sets us apart

We manufacture hybrid Cellular/Satellite security, tracking, and monitoring solutions built for vessel protection, insurance discounts, and total peace of mind — wherever you cruise.

01

2-Way Satellite Communication

Unlike one-directional systems, The Guardian offers interactive dialogue — essential for real-time control and monitoring beyond cellular range.

02

Iridium Low-Earth-Orbit Network

We leverage Iridium's unique constellation of 66 LEO satellites, delivering reliable global coverage with low-latency connections geostationary alternatives simply can't match.

03

Global Cellular Compatibility

Our devices support 2G/3G/4G LTE-M across 142 countries — so the tracker keeps working everywhere you go, including regions where older cellular tech persists.

04

Five-Layer Security System

Infrared beams, door/hatch sensors, accelerometer theft detection, a 125-decibel siren with nine sounds, and LED strobes with sixteen patterns — all working together.

05

Marine-Grade Hardwired Sensors

Resistant to corrosion, moisture, and vibration — and immune to frequency interference and battery-related false alarms that plague wireless systems.

06

Concealed Design & Full Support

Small-footprint units conceal easily on any vessel. Comprehensive pre-purchase through installation support, backed by a 2-year warranty.

Mobile App Features

Your boat in your pocket

Manage every aspect of your Guardian system from your phone — monitor, control, and stay connected anywhere.

Marine Guardian mobile app dashboard screenshot

Intuitive Dashboard

View sensor status and manage alarm settings in one simple screen — everything at a glance, nothing buried in menus.

Hybrid cellular and satellite GPS breadcrumb trail from Bahamas to mainland

Hybrid Cell/Satellite Tracking

Our hybrid cellular and satellite monitoring sets us apart from the pack — never lose connection to your boat, dockside or offshore.

Theft fence geofence zone around a boat slip

Custom Zones

Set up geofenced zones and receive instant alerts when your boat enters or exits — perfect for marinas, slips, and safe harbors.

Build Your System

Add-ons & sensors

Customize The Guardian with extra sensors to cover every corner of your boat.

Photoelectric Infrared Sensor Kit

Photoelectric Infrared Sensor

First line of defense for your electronics and gear.

$99
Add to My Setup
High Water Sensor

High Water Sensor

Detects water in the bilge above the pre-set level.

$99
Add to My Setup
Shore Power Sensor

110/240 AC Shore Power Sensor

Monitors shore power status and disconnects.

$150
Add to My Setup
Magnetic Door/Hatch Capsule

Door / Hatch Magnetic Capsule

Attaches to any entry door, hatch, or engine cowling.

$25
Add to My Setup
LED Strobe Light

LED Strobe Light

Multiple flash patterns with strong light distribution.

$228
Add to My Setup
Iridium 2-way Satellite Antenna

Iridium 2-way Satellite Antenna

Operates outdoors or under a fiberglass deck.

Included
Call to Order
★★★★★
"Having The Guardian on board means I sleep well every night my boat sits at the dock. The alerts are instant, the hardware is rock-solid, and the insurance discount paid for half the system."
— Verified Guardian Owner
Frequently Asked

Questions, answered

Does The Guardian qualify for insurance discounts?

Yes — the Hybrid Cell/Satellite system meets insurance carrier requirements for mandatory tracking coverage, and many carriers offer premium discounts when installed.

What happens if I lose cellular coverage offshore?

The Hybrid and full-Security bundles include Iridium 2-way satellite, giving you 100% global coverage even in blue-water or remote anchorages.

Can I install it myself?

The Guardian is designed for professional installation to guarantee reliability. We'll connect you with a certified installer in your area after purchase.

How many sensors can I add?

Every Guardian system supports up to 6 sensors — mix and match door, high-water, shore power, infrared, and more.

Ready to give your boat the protection it deserves?

Talk to a Marine Guardian specialist — we'll help you pick the right system, answer every question, and get you set up fast.

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