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Cruising, fishing or sailing, C-MAP DISCOVER charts offer ultra-wide coverage and include all of the core features you need to make the most of your time on the water. DISCOVER includes the very best of C-MAP High-Res Bathy, including integrated Genesis data, full-featured Vector Charts with Custom Depth Shading, Tides & Currents and subscription-free Easy Routing. Purchase includes 12 months of free online updates. Compatible with Lowrance, Simrad & B&G chartplotters.
Key Features
- Ultra-Wide Coverage – the largest geographical coverage, without compromising on chart quality.
- High-Res Bathy – helps you identify shallow areas, drop-offs, ledges, holes or humps. Now includes compiled and quality-controlled Genesis detail as part of singular HRB layer.
- Full Featured Vector Charts – making navigation easy by giving you accurate, up-to-date vector chart detail derive from official Hydrographic Office information.
- Custom Depth Shading – set a clear safety depth, maintain a paper-like view or create your own custom shading.
- Easy Routing – helps you automatically plot the shortest, safest route based on detailed chart data and your personalized vessel information. No subscription required.
- Tides & Currents – shows projections of water level and direction of tides to help plan your day out, cruising, angling or sailing.
- Detailed Marina Port Plans – docking in an unfamiliar port is no problem when you have precise layouts of thousands of marinas, including slip spaces, restricted areas and other valuable navigation information.
- Harbor & Approach Details – unprecedented level of detail. Approach any harbor and inlet with confidence. The perfect conclusion to a long voyage, sailing adventure or an exciting day of fishing.
- Online Updates – keep your chart up to date, with 12 months’ free online updates.
TST
2025-09-03 14:13:26
I loaded this into my Hook 9. Wow. Everything I needed. Excellent detail. Includes every creek, lake and river I know of. Heck I think it shows some of the mud puddles around when it rains. Lol. Well worth the money. Very easy to install. Just slip it into the micro card slot and power the sonar unit up. Functions as advertised.
George E. Robertson
2025-07-31 13:55:44
I asked C Map for the best upgrade and updating dataset for my Simrad Cruise 5 Fish finderthey recommended that I purchase their Discover-North Americ chart chip. I bought it from Amazon for $124Soon after I discovered that C-Map had charged me $5 to talk to their support and used the credit card information the open a $30/month auto pay support subscription. Which was totally unexpected and not not approved by me. I immediately canceled. Thatwhen the C-MAP Discover-North America chart data chip arrived fromAmazon, it turns out it is an SD chip but not the MicroSD chip that fits into the Cruise 5 SD microchip port.C-Maps Support website pages are so numerous and complex that it is impossible to find any thing relevant to such a simple problem and the only way to email them a description of this simple problem refuses to allow me to complete the email and send it because they demand a model number, order number, and serial number of something that has none of those things to allow the message to be sent.Do not do business with C MapTheir Support system is designed to take your money and sell you products that do not actually work the way they claim.If any one reading this actually knows how to get the C-Map Discover-North America Chart dataset from the provided SD chip onto a MicroSD chip that will allow it to be installed into my Simrad Cruise 5, Fishfinder without adversely effecting the data, I would greatly appreciate your help. C-Maps support quicksand has been much worse than no help so far.
marianne schwartz
2025-07-24 16:40:17
Love them!
Electroman
2025-05-04 18:28:59
I’m still trying to figure this out. Have it in my Cruise7 but not the friendliest program.
Julie Foster
2025-05-03 13:29:30
Easy Routing does not work in Simrad Cruise 9 as advertised…Only gives a straight line over land, buildings etc and does not calculate a course to drive. IT DOES WORK IN MY MERCURY VESSEL VIEW 703!!!
AK Travler
2025-04-19 13:50:19
I spend my summers fishing the Saint Mary’s River and the northern tip of Lake Huron. This addition to my Lowrance Hook Reveal 7 gives me the ability to link at depths before I get to shallow water and shows where the shelf’s are. With a little bit of a learning curve you can add shading to reflect depths. A really great navigation tool as well as a tool to navigate fishing conditions. Best upgrade I have done to this boat so far!
Alexis
2025-04-18 11:23:51
Works great. Must have being my first full season with the boat.
JulBilE3
2025-04-01 11:26:35
Very disappointed. The item description says that this chart has a feature called custom depth shading and that it is the correct chart for a Lowrance Hook Reveal. The chart may have that feature but it can't be used in that sonar/plotter.
JimmyB
2025-03-02 14:40:26
Wasn't cmap reveal but DISCOVERY WORKED GREAT
Sebastian
2025-01-25 21:43:22
Had trouble with Navionics….they say Canada but they dont cover Nunavut…C-map covers Nunavut!
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