We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you decide that your purchase just isn't for you, simply return the item within 30 days of receipt and we'll cover the return shipping when you choose our FREE Pre-Paid Return Shipping Label. Learn more about our return policy.
Free Value Shipping on Over 250,000 Products
Shop now and get Free Value Shipping on most orders over $29.95 to contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.
Please Enable Your Browser's Cookies Functionality
Cookies are not currently enabled in your browser, and due to this the functionality of our site will be severely restricted.
Web browser based cookies allow us to customize our site for you, save items in your cart,
and provide you with a great experience when shopping OpticsPlanet.com.
Your privacy is important to us, and any personal information you supply to us is kept strictly confidential.
If you cannot enable cookies in your browser, please contact us — we are always here to help!
Unfortunately Garmin Fishfinder 300C is no longer carried by OpticsPlanet.
You can also explore other items in the Fishfinders, Fishing Gear categories yourself to try and find the perfect replacement for you!
The Garmin GPS Fishfinderhas been discontinued and no longer available. Please visit our Fishfinders page to check out Garmin and other brands GPS devices.
The affordable Fishfinder 300C color sounder is just right for recreational anglers who fish primarily in freshwater lakes.
See Fish in Bright Color
The 300C has a super bright, high resolution 3.5-inch QVGA color display with improved user interface, plus UltraScroll for screen updates at live-action speeds. The 300C comes with a dual beam transducer, which provides excellent coverage in shallow waters.
Benefit from High Performance Sonar
The 300C features the high performance sonar receiver found in most of the Garmin marine lineup.
Power output: 150 watts (RMS) 1200 watts (peak to peak)
Auto Gain setting adjusts sonar sensitivity automatically
See-Thru technology shows weak and strong returns simultaneously
Round flasher display mode
Whiteline shows you how thick the bottom is
2X and 4X automatic and manual zoom
Battery voltage indicator
Single NMEA-0183 output
Garmin Fishfinder 300C is available with the following options:
Garmin 010-00682-00 Fishfinder 300C, dual beam transducer (plastic transom/trolling motor mount with depth, temp)
Garmin 010-00682-01 Fishfinder 300C, dual beam transducer (plastic transom/trolling motor mount with depth, temp), translated Pkg/Instr.
Specifications for Garmin Fishfinder 300C:
Physical & Performance
Unit dimensions, WxHxD:
4.5" x 4.5" x 2.4" (11.4 x 11.4 x 6.1 cm)
Display size, WxH:
2.1" x 2.8", 3.5" diagonal (5.3 x 7.1 cm, 8.9 cm diagonal)
Display resolution, WxH:
240 x 320 pixels
9.6 oz (272 g)
Dual-frequency sonar capable:
Dual-beam sonar capable :
Ultrascroll (displays fish targets at higher boat speeds):
See-thru technology (exposes fish hidden in cover):
Other than Garmin Fishfinder 300C, we sell a full and complete line of Fishfinders as well as many other GPS Navigation devices by Garmin. Additionally, a comprehensive selection of Garmin accessories is available for all your research and hobby needs.