Seaview Global

SM24SPG3

Starlink Performance Gen3 Mast Mount

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This SM24SPG3 Seaview Mast Mount for the Starlink Performance Gen3 antenna has been specifically designed for the marine environment (chem treated with a 3 part polyurethane prime and powder coat to ensure the best possible finish and corrosion resistance). Ultra-heavy-duty mounting feet and rivets are used to secure the mast mount to the mast. 

Fits a mast or tube diameter greater than or equal to 3.63" (92mm).

The solid underbody construction not only greatly improves strength but also hides cables. 

Pre-drilled underbody allows for floodlights or horns to be mounted if desired.

Starlink Reference:

Starlink antenna compatibility reference

Plan your SM24SPG3 installation

Confirm that your antenna is Starlink Performance Gen3 and that your mast or tube is at least 3.63 inches (92 mm) in diameter. Check the available antenna clearance and cable route before ordering.

Request SM24SPG3 drawings and installation instructions from Seaview. Include your antenna model, mast diameter and installation photos so Seaview can confirm the mounting arrangement, required fasteners and supplied hardware for your setup.

The mount uses heavy-duty mounting feet and rivets, with a solid underbody for concealed cable routing. Its pre-drilled underside accommodates optional floodlights or horns. Confirm accessory clearance with Seaview before installation.

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SM24SPG3 marine mast mount: fit and installation

The Seaview SM24SPG3 mounts a Starlink Performance Gen3 antenna to a marine mast or tube. It uses heavy-duty mounting feet and rivets, with a solid underbody that conceals cable routing.

Seaview part number
SM24SPG3
Compatible antenna
Starlink Performance Gen3
Minimum mast or tube diameter
3.63 inches (92 mm), as specified in the product fit guidance
Marine finish
Chemical treatment, three-part polyurethane prime and powder coat for corrosion resistance
Cable and accessory provisions
Solid underbody conceals cables; pre-drilled underside accommodates floodlights or horns.

Is Performance Gen3 the same mount as Standard or Flat High Performance?

No. Confirm that your antenna is Performance Gen3. Starlink Standard and Performance Gen2 (formerly Flat High Performance) use different mounting interfaces and separate Seaview mount options.

Before ordering, ask Seaview for the SM24SPG3 drawings and installation instructions to confirm mast diameter, antenna clearance, cable routing, required fasteners and supplied hardware. For a deck or raised mounting position, compare the Performance Gen3 surface and pedestal options below.