Marine Antennas $39.49
★★★★★ 4.5/5 118 ratings The Calissa Offshore Tackle marine VHF antenna mount is a 316 stainless steel ratchet-style base designed for standard 1-inch marine antennas. It includes corrosion-resistant hardware and a lever-action laydown handle, with dual swiveling ratchets to accommodate slanted or level surfaces. Best for buyers who want a sturdier, corrosion-resistant alternative to plastic mounts, with a smaller tradeoff being a lighter-feeling handle reported by some.
Marine Amplifiers $150
★★★★★ 3.6/5 31 ratings A compact 4-channel marine amplifier kit built for boats and powersports setups, featuring Bluetooth streaming via a dedicated control unit and an IP-X6 waterproof design. Buyers like the straightforward install and feel it delivers enough punch for modest speaker arrays, but there are tradeoffs around setup clarity and reported mono behavior when using the included BT control unit.
Marine Speakers $59.95
★★★★★ 4.5/5 77 ratings The Rockville RM-PREMIUM-65 is a pair of 6.5-inch marine speakers built for boats and off-road vehicles, with a true coax layout, waterproof cone and rubber surround, and ABS grilles. Buyers generally like the sound quality for the price, especially when paired with a basic marine radio and a small amp, but the fit depends on your cutout size and the 4-ohm impedance.
Marine Amplifiers $149
★★★★★ 4.9/5 30 ratings The STINGER marine-grade 4-gauge amplifier wiring kit is built for salt-fog environments, with a true-copper power conductor, tinned strands for corrosion resistance, and a fused design for cleaner installs. It looks to be a strong fit for amp installs where you want marine-rated jacket and color-coded marine-standard wiring, with the main caveat being that a small number of buyers disliked the fuse-holder hardware even though they liked the cable.
Fish Finders & Depth Finders $19.99
★★★★★ 4.7/5 222 ratings A purpose-fit silicone screen cover designed for Helix 7 series fish finders, built to help protect the display from sun exposure and everyday weather while keeping dust and splashes at bay. It uses a snug, cut-to-fit shape plus included nylon straps for more secure transport.
Marine Subwoofers $400
★★★★★ 4.8/5 11 ratings The Rockford Fosgate M2D4-10I is a 10-inch infinite baffle marine subwoofer designed for loud, clean low-end in boats or other marine builds, with IP67 water and UV protection. It also adds multicolor LED lighting you can control through the Color Optix ecosystem, though you will need compatible controller hardware (sold separately) to unlock the lighting effects.
Radar Systems $49.95
★★★★★ 3.5/5 85 ratings The AirNav Radar FlightStick VHF is a USB VHF airband receiver designed to help you listen to live aviation transmissions (118–136 MHz). It includes an integrated filter, amplifier, and ESD protection, but buyer feedback suggests setup can be demanding on some platforms, so it is best for users who are comfortable troubleshooting software and configurations.
Marine GPS Chartplotters $160
★★★★★ 4.3/5 26 ratings A region-specific Navionics+ microSD chart card designed for compatible Navionics chartplotter systems. It targets U.S. coasts plus coastal Canada coverage, with detailed waterways and HD bathymetry features, and options for daily updates.
Marine Antennas $17.99
★★★★★ 4.4/5 228 ratings The Dual Electronics MANT16W is a compact, flexible-mast marine antenna designed for Marine Band use, with a claimed long-range performance target and a sealed rubber exterior meant to handle salt and spray. It gets praise for simple installation and solid day-to-day reception, with the main practical drawback being limited cable length for some setups.
Radar Systems $2,036
★★★★★ 5/5 2 ratings The SI-TEX T-760 is a compact marine color radar built for small to medium boats, pairing a 4kW 18" dome with touchscreen control and a space-saving helm footprint. It is a strong fit if you want pro-style target detection and tracking in a slim package, but buyer confidence is limited by sparse review evidence.
Marine Amplifiers $576
★★★★★ 5/5 7 ratings Kicker’s 48KXMA900.5 is a compact 4-channel marine Class-D amplifier built for boat audio. It includes moisture protection, conformal-coated electronics, and built-in variable crossovers and subsonic filtering for tuning speakers and a sub. Best for buyers who want clean, high-output marine amplification in a space-saving package, with a key caveat: it is designed for full-range speaker channels plus a dedicated sub channel, so it may not fit every multi-amp layout.
Marine Antennas $74.48
★★★★★ 4.7/5 54 ratings The Shakespeare 5215-AIS is a low-profile 3-foot VHF AIS antenna designed for sailboats, built with 50-ohm impedance and meant to support both VHF and AIS frequencies. Buyers who replace antennas after damage tend to highlight strong RF performance (including good VSWR) and dependable function.
Marine GPS Accessories $59.99
★★★★★ 4.5/5 67 ratings The VAUBORTTI aluminum fish finder mount uses a marine-grade aluminum body, a 14.76-inch dual-rod extended arm, and a 1.5-inch TPU ball for adjustable positioning and steadier support. It is a solid fit for compatible RAM-style C-size (1.5 inch) setups, but it may struggle with heavier fish finder units if the load pushes the mount’s joint mechanics.
Marine Subwoofers $200
★★★★★ 4.3/5 20 ratings The KICKER KM10 is a 10-inch, 4-ohm marine subwoofer built for sealed or ported enclosures, designed to resist salt/fog and UV exposure. It’s rated for 175 watts RMS (350 watts peak) and focuses on durability features like a sealed motor structure and a covered terminal design. The main buying caveat is enclosure and wiring fit, including potential differences versus older subwoofer models.
Marine Speakers $42.99
★★★★★ 4/5 89 ratings Herdio’s 6.5-inch marine speaker pair is built for wet and outdoor setups, with a low-profile enclosure and built-in blue LED accents. They’re a practical option for boats, RVs, ATVs, UTVs, and golf carts, but buyer feedback suggests sound quality can vary depending on how you drive them (and whether you expect high-output bass).
Radar Systems $636
★★★★★ 5/5 6 ratings The ACR Pathfinder™ PRO SART is a battery-powered LED SART built for marine radar systems in the 9.2 to 9.5 GHz band. It’s designed for mariners who want reliable emergency signaling capability that aligns with international regulations, but buyer-review evidence is limited.