Radar & Satcom Mounts & Accessories

Why Radar & Satcom Mounts Matter on the Water

A radar or satellite communications antenna is only as effective as its installation. Even the most advanced radome or satcom unit will underperform — or fail entirely — if it isn't mounted securely, positioned correctly, and protected from the relentless demands of the marine environment. Radar and satcom mounts and accessories are the critical hardware that keeps your navigation and communication systems stable, aligned, and operating at peak efficiency, whether you're offshore on a bluewater passage or cruising coastal waterways in your RV-tow vessel.

Mounting hardware for marine electronics isn't a one-size-fits-all proposition. The right mount depends on your vessel type, your radar or antenna model, and where on the boat you intend to install it — whether on a mast, radar arch, deck, transom, or flying bridge. Beyond the mount itself, accessories such as cable seals, wedge bases, adapter plates, and modular extension systems all play a role in achieving a clean, professional, and watertight installation. A poorly routed cable or a mount that allows even slight movement can introduce interference, reduce antenna range, and accelerate wear on connectors and housings.

Key Considerations When Shopping for Radar & Satcom Mounts

• Compatibility: Always verify that a mount is rated for your specific radar or satcom model. Bolt patterns, dome diameters, and weight ratings vary significantly across brands and product lines.
• Material and corrosion resistance: Marine-grade aluminum and 316 stainless steel are the benchmark materials for saltwater environments. Look for quality powder-coat or anodized finishes that resist UV and salt spray.
• Mount type: Mast mounts, pole mounts, PowerTower-style arch mounts, and self-leveling mounts each suit different vessel configurations. Self-leveling designs are especially valuable on sailboats, keeping the radar horizon-level regardless of heel angle.
• Cable management: Waterproof cable grommets and deck seals are essential accessories for keeping moisture out of cable penetrations and protecting your electronics investment.
• Elevation and clearance: Raising your radar or satcom antenna clear of obstructions — crew, rigging, and superstructure — directly impacts signal quality and scan coverage.

Top Brands in Radar & Satcom Mounts & Accessories

Scanstrut is the category leader by a wide margin and for good reason. Scanstrut is a respected British manufacturer whose range spans over 100 different mounting solutions for radar, satcom, GPS, VHF, and navigation lights across yachts, powerboats, and commercial vessels. Their iconic PowerTower series, self-leveling mast mounts, modular pole systems, and satcom antenna mounts are engineered from marine-grade materials and designed to integrate seamlessly with radar systems from Garmin, Simrad, Raymarine, Furuno, and more.

Furuno is a legendary name in professional marine electronics, and their mounting accessories are purpose-built to complement their own radar and satellite compass systems — including pole mounts for the SCX-series satellite compass and display mounting hardware for their commercial radar suites. Choosing Furuno-branded mounts ensures precise fit and full compatibility with their electronics ecosystems.

Raymarine offers mounting accessories tailored to their Quantum and Cyclone radar families, giving boaters a factory-matched solution that aligns with the engineering tolerances of Raymarine's radar domes and open arrays. Their mounts are a natural complement to any Raymarine chartplotter and radar installation.

Seaview brings an exceptionally broad product lineup to this category, with mounting solutions spanning a wide range of radar brands and vessel types. Seaview mounts are known for their sturdy aluminum construction and versatility, with options that position radomes as close to the mast as possible for a streamlined, low-profile installation.

Simrad rounds out the top brands with mounting accessories designed specifically for their Halo and broadband radar families. Simrad-branded mounts and hardware ensure that their radar systems are installed with the correct geometry and secure fastening for reliable long-term performance on both sail and power vessels.