Best Marine Radar Systems in 2026

Daisy
Last Updated: Feb 9, 2026

At a Glance: Our Top Picks for Marine Radar Systems

Lowrance Simrad NEP-2 Network Expansion Port, Connect Displays, Radar, and Echosounders
#TOP1
Lowrance Simrad Nep-2 Network Expansion Port, Connect Displays,
6.0
PM SCORE
Radar, 8.4 Color, 36mi., 4KW 19 Dome
#TOP2
Radar, 8.4 Color, 36Mi., 4Kw 19 Dome
5.9
PM SCORE
PYI/Seaview Radar 4 Wedge with Ray & Garmin, 24"
#TOP3
Pyi/Seaview Radar 4 Wedge With Ray & Garmin,
5.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Marine Radar Systems of 2026

Lowrance Simrad Nep-2 Network Expansion Port, Connect Displays, Radar, And Echosounders

LOWRANCE
000-10029-001
13.00 X 10.00 X 4.00 Inches
1.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CE Showroom 9.89

Features

The Network Expansion Port (NEP-2) enables multiple displays to exchange chart data, waypoint and route information, as well as interconnecting radar and echosounder modules. Featuring five Ethernet ports, the NEP-2 is compatible with Lowrance HDS, Simrad NSS, and Simrad NSO.

High speed, Plug & Play, Fully Waterproof

5 Ethernet Ports for Connection of Radar, Echosounder Modules, Weather Modules, or Multiple Displays

7. 75"Wx6. 9"Lx2. 26"H

#TOP2

Radar, 8.4 Color, 36Mi., 4Kw 19 Dome

FURUNO
1815
18.00 X 10.00 X 6.00 Inches
38.60 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Less Is Always More ✱AUTHORIZED SELLER✱ 9.75

Features

New

Same Day Shipping on Request

Best Value and Performance in its Class

15-Years as premier solution provider

Complimentary White Glove Service - Just-Ask-We-Take-Care-of-It

Pyi/Seaview Radar 4 Wedge With Ray & Garmin, 24"

SEAVIEW
RW4-2
18.00 X 12.00 X 8.00 Inches
3.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Angled wedge for dome radars

4 degrees below the horizontal

Pre-drilled to fit specific radars

Sports and Outdoors product

Garmin 010-00959-00 Gmr 18 Xhd 18" Radar Dome

GARMIN ELEC.
010-00959-00
23.62 X 11.81 X 13.78 Inches
17.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
iSave 9.91

Features

Product Type: Antenna

Item Package Dimensions: 43.18 L X 59.436 W X 59.436 H (Cm)

Country Of Origin: Taiwan, Province Of China

Item Package Weight: 13.653 kgs

#TOP5

Scanstrut Apt-150-01 Aluminum Powertower For Radomes, Open Array, And Small Satcom/Tv Antenna - 6"

SCANSTRUT
APT-150-01
13.00 X 13.00 X 7.00 Inches
5.97 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Lifeline Brands 9.85

Features

internally mounted scanstrut ds30 cable seal

marine sealant not required

no need to cut cable of remove plugs

inserts included to fit cables from all major radomes

Fit type: Universal Fit

Raymarine Radar Cable With Raynet Connector, 5M

RAYMARINE
A80227
9.45 X 7.87 X 0.59 Inches
2.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Prime Marine 9.71

Features

Radar cable with raynet Connector

5 M length cable

Raymarine, the world leader in marine electronics, develops and manufactures the most comprehensive range of electronic equipment

Package dimensions - 19.05 cm L X 37.846 cm W X 58.42 cm H

Radar, Quantum 2 W/Doppler, 15M Cable

RAYMARINE
RAY.T70417
23.62 X 23.62 X 8.66 Inches
0.13 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
The Twister Group Inc 5.85

Features

Radar, Quantum 2 w/ Doppler, 15m Cable

#TOP8

Fishmaster Marine Towers And Accessories Radome Mounting Plate

FISHMASTER MARINE TOWERS AND ACCESSORIES
SOF050
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FishmasterINC 5.05

Features

SPACIOUS DESIGN - At 12” x 12” this mounting plate creates ample space for mounting large items such as a radar spotlight onto the top of your Fishmaster T-Top.

EASY INSTALLATION - This bracket can be mounted on t-tops with top sections measuring 1.9” in diameter. Its clamshell design separates into two pieces that can be easily set in place and reassembled to fasten securely your t-top frame.

QUALITY CONSTRUCTION - The Fishmaster outrigger mounting bracket is made of super strong polished and bright-dipped anodized aluminum for a long life on your boat. Stainless steel hardware is included.

LOVE IT OR RETURN IT! - We want you to have the best fishing experience possible. That is why we cover our radome mounting plate with an industry-leading 5-year warranty.

Garmin Gmr Fantom™ 18X, Dome Radar, White

GARMIN
010-02584-00
20.00 X 9.80 X 20.00 Inches
33.07 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
ShipSound 7.31

Features

18” 50-watt solid-state dome radar features a long range and improved target detection on your compatible chartplotter

Adjust on-screen target resolution for better separation based on your surroundings by using the target size feature

Up to 60 RPM rotation speed for a refresh rate that can detect movement at any speed

The power save feature lets you draw more or less power based on the performance you need

Timed transmit mode lets you specify active and inactive times down to seconds instead of minutes for reduced power consumption

MotionScope technology uses the Doppler effect to detect moving targets and highlight targets on your compatible chartplotter in different colors as they move toward or away from you

True echo trails leave a historical “trail” on your compatible chartplotter to help you quickly and easily identify moving targets and potential collision threats

Dual range provides split-screen images on your compatible chartplotter with separate range settings and controls for both close and long range

Dual radar support allows each of your compatible chartplotters on your boat to pull data from one of two different radar sources to provide redundancy

Dynamic Auto Gain automatically adjusts to your surroundings for optimal performance in all conditions

Furuno 1623 16Nm Range 2.2Kw Transmitter 15" Dome Monochrome Radar, 6"

FURUNO
1623
8.00 X 4.00 X 8.00 Inches
25.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

6" Monochrome LCD

16 mile range

2.2 KW 15" Radome

Includes 10 meter cable

Features guard zone, variable antenna rotation speed, zoom, VRM, EBL, echo trails, and Nav data display.

#TOP11

Simrad Halo 20+ Radar Dome - 36 Nm 20-Inch Pulse Compression Radar, 60 Rpm, With Collision Avoidance And Velocitytrack (000-14536-001)

SIMRAD
000-14536-001
2.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IPC-STORE✅ 9.84

Features

36 nm range from a compact 20-inch dome - Advanced pulse compression technology with beam sharpening

36 nm range from a compact 20-inch dome - Advanced pulse compression technology with beam sharpening

Simultaneous Dual Range operation sees both near and far - Ultra-fast 60 RPM operation at ranges up to 1.5 nm

VelocityTrack Doppler technology for collision avoidance - Easy operation with harbour, offshore, weather, and bird modes

MARPA target tracking (up to 10 targets, 20 in dual range)

Ready instantly from standby

Garmin Gmr Fantom™ 24X, Dome Radar, White

GARMIN
010-02585-00
25.40 X 9.80 X 25.40 Inches
44.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IPC-STORE✅ 9.84

Features

24” 50-watt solid-state dome radar features a long range and improved target detection on your compatible chartplotter

Adjust on-screen target resolution for better separation based on your surroundings by using the target size feature

Up to 60 RPM rotation speed for a refresh rate that can detect movement at any speed

The power save feature lets you draw more or less power based on the performance you need

Timed transmit mode lets you specify active and inactive times down to seconds instead of minutes for reduced power consumption

MotionScope technology uses the Doppler effect to detect moving targets and highlight targets on your compatible chartplotter in different colors as they move toward or away from you

True echo trails leave a historical “trail” on your compatible chartplotter to help you quickly and easily identify moving targets and potential collision threats

Dual range provides split-screen images on your compatible chartplotter with separate range settings and controls for both close and long range

Dual radar support allows each of your compatible chartplotters on your boat to pull data from one of two different radar sources to provide redundancy

Dynamic Auto Gain automatically adjusts to your surroundings for optimal performance in all conditions

Radar Mast Platform For Raymarine 2Kw & Garmin Gmr18

SEAVIEW
SM-18-R
18.57 X 11.28 X 7.46 Inches
7.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Boat and RV Accessories 9.75

Features

Mast mount for radars

Fits 3" or larger diameter masts, white powder-coated aluminum

Fits 18" Garmin, Ray marine, and Navico BR24 Broadband Radomes.

Furuno 260369 Defender Drs4W 4 Kw Wireless Radar Antenna

FURUNO
260369-DEFENDER
18.00 X 10.00 X 6.00 Inches
45.46 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Less Is Always More ✱AUTHORIZED SELLER✱ 9.75

Features

Made of high quality material

Manufactured in the country of China

The marine outfitter of choice for boating enthusiasts

Simrad Halo20 20" Radar Dome W/10M Cable (000-14537-001)

SIMRAD
000-14537-001
19.84 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Déesse Premiere 9.31

Features

BETTER SITUATIONAL AWARENESS - Improve collision avoidance with HALO20 radar, tracking up to 10 targets

EASY TO USE - Harbor, Offshore, and Weather modes tune HALO20 Radar's advanced signal processing to help ensure that targets can be seen vividly

READY WHEN YOU ARE - Wakes instantly from its low-power standby mode

UNRIVALLED SHORT RANGE and excellent midrange with tracking up to 24 nm

RADIATION SAFE and low power consumption will have you cruising in confidence

Top 10 marine radar systems Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Furuno 3
Garmin 2
Raymarine 2
Seaview 2
Simrad 2
Fishmaster Marine Towers And Accessories 1
Garmin Elec. 1
Lowrance 1
Scanstrut 1

Top 10 marine radar systems Brands Pie Chart


We've carried out a comprehensive analysis of 201 reviews on marine radar systems, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select marine radar systems priced around $1,273.25, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 15 marine radar systems for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right systems Products based on their needs, saving them considerable time when choosing which marine radar systems to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.