C800SA2N, Zone A, Star Hand marker buoy

The Marker Guardian C800 is a buoy designed to be customizable, it can be transformed in to a cardinal buoy, indicating cardinal directions or indicating starboard or port board, thus helping the navigation near ports and other maritime traffic zones.

The high capacity allows it to be configured for water quality or other environmental parameters monitoring.

The MG C800 is fully built in composite, withstanding impacts, solar exposure, ice, salt water and corrosion exemplary. Each section is laminated using UV-stabilized, isophthalic polyester resin reinforced with Kevlar* and glass fibers to obtain maximum durability, crash resistance and water impermeability. With thicknesses ranging from 7 up to 10mm this structure is rigid durable and reliable.

The C800 performs extraordinarily and can be equipped with batteries to feed illumination systems for up to 6 months.

The fully composite structure assures a rust free, low maintenance lifespan. No part of the structure requires painting at any stage of the product’s life span. This MG can be supplied in respective I.A.L.A. colors.


Consult Specifications tab for detailed information.


Isophthalic NPG Polyester resin reinforced with Kevlar and glass fiber; 316-grade SS fixtures.

Mass (Kg | lb)

138 | 304

Volume (L | gal)

437 | 115,4

Reserve Buoyancy (Kg | lb)

352 | 776

Nominal Draft (mm | in)

1325 | 52,17

Draft, Maximum (mm | in)

1400 | 55

Nominal Freeboard (mm | in)

107,0 | 4,2

Freeboard, Minimum (mm | in)


H max (mm | in)

3000 | 118

Focal Plane Height (mm | in)

1700 | 67

Total Float Volume (L | gal)

315 | 83

Maximun Mooring Load (Kg | lb)

176 | 388

Safe Working Load, 1pt (Kg | lb)

3000 | 6614

Submergence  (Kg/cm | lb/in)

0,27 | 0,60

Visual Area (m2 | ft2) (no signs)

0,38 | 4,1

Water Area (m2 | ft2)

1,8 | 19,4

Wall Thikness (mm | in)

7 | 0,28

Ballast (Kg | lb)

88 | 194

Height (mm | in)

2175 | 85,6

Width (mm | in)

800 | 31,50

Available Colours

Black, Yellow, Red and others as per I.A.L.A. recommendations.

Product Life Expectancy (years)


Intellectual Property Trademarks

ISO 9001:2008

Warranty (years)


Standard Equipment

Status Light


Optional Equipment

Data logger with Bluetooth connectivity with upgradability up to 32 sensors

32Gb of data storage

LCD display

Adjustable measuring time intervals

Dissolved Oxygen Kit

Electrical conductivity, temperature & depth sensor Kit


Temperature, humidity, wind & pressure Kit

Surveillance camera/motion sensor Kit

Upgraded battery capacity

Wi-Fi, VHF, Iridium, RF, GPRS, 3G & 4G