C-MAP Reveal - US Lakes South East, Map Card for Marine GPS chartplotters
Quick take
C-MAP Reveal US Lakes South East is a microSD map card upgrade designed for compatible marine GPS chartplotters. It focuses on richer underwater detail, including shaded relief and high-resolution bathymetry layers, and it helps with easier routing using detailed chart data. The main caveat is feature-by-unit compatibility, so verify your specific Lowrance, Simrad, or B&G model supports the layers and options you want.
Pros and cons
Pros
- 3D-style shaded relief and underwater elevation layers (including Ultra-High-Res Bathymetric imagery areas).
- Full-featured vector charts based on official Hydrographic Office information.
- High-resolution bathymetry to help spot shallow areas, drop-offs, ledges, and holes or humps.
- Uses chartplotter routing based on detailed chart data and your vessel information, with no subscription requirement.
Cons
- Not every feature is available on every compatible unit, so some options may not show up depending on the chartplotter model.
- The map is delivered as a microSD card (with an adapter for a regular SD slot), so your unit must accept this card format.
- Buyer-review evidence on software and iOS companion app workflows is limited and not always smooth.
What buyers think
Buyer feedback consistently points to a noticeable jump in chart detail compared with built-in or simpler C-MAP options, especially for underwater contours and how far navigation aids and markers appear on-screen as you move through waterways. Many users also mention that the microSD format is straightforward once they locate the chart card slot and adapter setup.
There are some cautions in the reviews. Compatibility concerns come up around supported card sizes and, more importantly, whether particular chart display features (for example, custom depth shading) are actually available on specific chartplotter models. Reviews also include limited, tangential complaints about an iOS companion app experience and GPX importing, which may matter only if you rely on that workflow.
What this map card adds on the water
This C-MAP Reveal card is built to expand what your chartplotter can show in both surface navigation and underwater detail. Instead of treating depth as a basic readout, the map layers are designed to make it easier to visualize terrain, changes in depth, and underwater structure while you plan a route or look for promising spots.
Shaded relief and underwater elevation
Shaded relief brings a more lifelike look to both land and underwater elevation. The result is typically easier situational awareness, particularly if you fish or dive in areas where terrain and depth transitions matter for finding structure.
High-resolution bathymetry for shallow spots and drop-offs
The high-resolution bathymetry focus is aimed at helping you identify shallow areas, drop-offs, ledges, holes, and humps. For many anglers, that kind of detail can translate into less guesswork when scanning areas that are not obvious on lighter map layers.
Vector charts designed for navigation
The card also includes full-featured vector chart data based on official Hydrographic Office information. If your priority is reliable chart detail for travel and planning, vector charts are the backbone for markers, depth information, and the overall map look your plotter uses.
Routing support without a subscription
C-MAP Reveal includes easy routing features that use detailed chart data along with your personalized vessel information to help plot safer, shorter routes. One advantage for budgeting is that the listing emphasizes no subscription requirement for routing functionality.
Compatibility and storage details to check before buying
This is a map card upgrade intended for selected chartplotters from Lowrance, Simrad, and B&G. While it uses a microSD card format, what matters most is whether your specific model supports the card and the features you care about.
Card format: microSD with an SD adapter
Multiple buyers note that the card is a microSD supplied with an adapter for standard SD slots. If your chartplotter uses a microSD slot directly, the adapter may be unnecessary. Either way, plan to confirm your unit’s chart card slot type so you do not end up with a format mismatch.
Feature support can vary by chartplotter model
Reviews include at least one clear warning that certain display options may not be available on every unit in the supported brand lineup. If you are specifically counting on custom depth shading or other layer behaviors, verify your model’s feature support, not just brand compatibility.
Pros and cons for common buyer goals
Best for
- Anglers and divers who want more underwater terrain clarity than built-in maps provide.
- People who rely on contour lines, depth transitions, and shaded underwater elevation to find structure.
- Buyers who want navigation-friendly vector chart detail plus routing features without a subscription requirement.
- US Lakes Southeast users looking for a dedicated regional map card rather than a broad-area alternative.
Who should avoid it
- Shoppers who have not confirmed their exact chartplotter model supports the specific chart layers or depth display options they want.
- Anyone who needs guaranteed one-size-fits-all feature availability across all units, since some options may be model-dependent.
- Buyers who are primarily interested in tablet/iOS workflows, given that review evidence is limited and some users find the companion app experience less smooth.
Is C-MAP Reveal worth it?
C-MAP Reveal US Lakes South East is a solid upgrade if you are already running compatible Lowrance, Simrad, or B&G chartplotters and you want more underwater detail for planning, scanning, and routing. The value is strongest when your current built-in maps feel too basic for your local waterways and you benefit from deeper bathymetry cues like drop-offs, ledges, and uneven terrain.
If your main concern is feature availability, spend a few minutes confirming your unit supports the layers and options that matter to you. That one check can prevent disappointment, because some chart behaviors depend on the chartplotter model.
FAQ
How do I install the C-MAP Reveal map card?
It comes as a microSD card with an adapter for standard SD slots. Use the chart card slot on your compatible marine GPS chartplotter, and follow the unit’s normal process for loading microSD chart media.
Do I need a subscription to use routing?
The listing emphasizes routing features without a subscription requirement, but you should still verify expectations for any services beyond routing that your plotter might offer.
Will this work with all Lowrance, Simrad, and B&G chartplotters?
It is designed for selected chartplotters from those brands, and buyer feedback suggests some display features may vary by model. Checking your exact unit’s chart feature compatibility is important.
What’s the difference between shaded relief and bathymetry?
Shaded relief is about how the map visually portrays land and underwater elevation for easier understanding, while high-resolution bathymetry is about the detailed depth terrain information used to reveal shallow areas, drop-offs, and underwater structure.
Is the microSD card compatible with chartplotters that use SD, not microSD?
The package includes an adapter for a regular SD slot, which is intended to make the microSD card usable in units that accept SD cards. Confirm your plotter’s slot type and whether it uses SD or microSD.
Specifications
| Product Title | C-MAP Reveal - US Lakes South East, Map Card for Marine GPS chartplotters |
|---|---|
| Category | Electronics > Car & Vehicle Electronics > Marine Electronics > Marine GPS Accessories |
| Brand | C-MAP |
| Manufacturer | C-MAP |
| Model Number | M-NA-Y214-MS |
| Color | US Lakes Southeast |
| Brand Name | C-MAP |
| Map Type | Navigational |
| Part Number | M-NA-Y214-MS |
| Unit Count | 1.0 Count |
| Included Components | Lowrance M-NA-Y214-MS C-MAP Reveal US Lakes South East |
| Warranty Description | 2-year warranty |
| Item Type Name | Lowrance M-NA-Y214-MS C-MAP Reveal US Lakes South East |
| Number of Items | 1 |
Available variants
Style
- Great Lakes to Nova Scotia
- Us Lakes North East
- Us Lakes West
- Gulf of Mexico and the Bahamas
- Us West Coast and Baja California
- Us Lakes South Central
- Us Lakes North Central
- Alaska
- Nova Scotia to Chesapeake Bay
- Hawaii, Marshall Islands, French Polynesia
- British Columbia and Puget Sound
- Us Lakes South East
- Chesapeake Bay to the Bahamas
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