Collection: Marine Navigation & Instruments - Instruments

Essential information for every journey on the water.

Explore marine navigation instruments designed to keep important vessel, environmental and navigation data clearly visible at the helm. From depth and speed to wind, heading and other critical information, the right marine instruments help create a more informed and capable navigation station.

Shop marine instruments, multifunction displays, depth instruments, speed and log instruments, wind instruments, heading displays, digital boat instruments, sensors, transducers and instrument accessories for sailboats, powerboats, fishing boats, cruisers, yachts and other marine applications.

Whether you're replacing an existing instrument, upgrading your helm, adding new sensors or building an integrated marine electronics system, Roam & Harbor makes it easier to find navigation instruments and accessories for your vessel.

Always verify display size, data requirements, sensor and transducer compatibility, network protocol, power requirements, mounting dimensions and manufacturer compatibility when selecting marine instruments.

Read the conditions. Know your vessel. Navigate with confidence.

50 products

  • Davis Instruments

    Davis Air-Flow Tels - Set of 14 [950]

    Regular price $19.99 USD
    Sale price $19.99 USD Regular price $0.00 USD

    Air-Flow TelsLightweight, ripstop nylon Air-Flow Tels attach to sails with waterproof adhesive locator discs. No holes required. Tels show the air flow across the sails -...

  • Raymarine

    Raymarine T121 Hull Transmitter [T121]

    Regular price $534.99 USD
    Sale price $534.99 USD Regular price $0.00 USD

    Raymarine T121 Hull Transmitter*For multi-hulls, advanced Micronet technology allows your displays to use wind direction to automatically determine which hull transducer supplies the information you need....

  • Raymarine

    Raymarine i50 Tridata Display [E70060]

    Regular price $604.99 USD
    Sale price $604.99 USD Regular price $0.00 USD

    i50 SeaTalkng Instruments - Tridata The i50 Instruments from Raymarine offer boaters an excellent combination of great looks, high performance and extreme value. Designed to accommodate...

  • Raymarine

    Raymarine T060 Micro Compass [T060]

    Regular price $519.99 USD
    Sale price $519.99 USD Regular price $0.00 USD

    T060 Micro CompassThe Micro Compass proved a huge advantage over competitors using glass ball compasses. To win races you must react to even small wind shifts....

  • Scotty Seeker

    Scotty Seeker Full Package - Single Probe w/Safety Leader, Probe Charging Station, Probe Safety Leader [5000]

    Regular price $1,475.00 USD
    Sale price $1,475.00 USD Regular price $0.00 USD

    Full Package - Single Probe with Safety Leader, Probe Charging Station, & Probe Safety LeaderDrawing on years of research and decades of combined experience, the Seeker™...

  • Davis Instruments

    Davis WindTrak 15 Wind Vane [3150]

    Regular price $69.99 USD
    Sale price $69.99 USD Regular price $0.00 USD

    WindTrak 15WindTrak wind vanes continue to offer exceptional performance at the best value of any wind indicator worldwide. The secret is in the sapphire jewel suspension...

  • Schaefer Marine

    Schaefer Little Hawk MK1 Wind Indicator f/Dinghies Up To 6M [H003F00]

    Regular price $34.70 USD
    Sale price $34.70 USD Regular price $0.00 USD

    Little Hawk MK 1 For Dinghies up to 6mThe Little Hawk Mk1 is a small, lightweight and robust Wind Indicator designed to be positioned at the top...

  • Save $47.00 USD
    Raymarine

    Raymarinei50 SeaTalkng Instruments - Tridata w/Thru-Hull Transducer [T70582]

    Regular price $927.99 USD
    Sale price $927.99 USD Regular price $974.99 USD

    i50 SeaTalkng Instruments - Tridata with Thru-Hull TransducerThe i50 Instruments from Raymarine offer boaters an excellent combination of great looks, high performance, and extreme value. Designed...

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