The Shom will be closed from Friday, December 19th to Monday, January 5th, 2026.
We will not be able to purchase supplies during this period, except for Shom C cards, which we print directly at the bookstore.
C-Map 4D on SD card - micro SD
Since 1985, C-MAP has been a global reference in marine electronic charts, combining precision, innovation, and safety. Compatible with most chartplotters, they provide smooth navigation with automatic routing, HD satellite imagery, and 3D views of coastlines and seabeds. Several product ranges meet the needs of every navigator: Discover™ (clear and detailed cartography), Reveal™ (3D reliefs and immersive views), and MAX (for Lowrance, Simrad, and B&G chartplotters). Each chart is thoroughly checked before shipping and includes the latest updates.
Click here to open our interactive map and select your charts
C-Map 4D on SD card - micro SD - new card
Compatibility and Navigation Comfort
C-MAP charts are compatible with all plotters equipped with a C-MAP card reader.
They ensure optimal navigation comfort, whether for coastal cruising, offshore passages, or long-distance voyages.
With C-MAP, every sailor can explore confidently, discover picturesque anchorages, and fully enjoy their time at sea — in Europe and around the world. Combining cartographic precision, rich data, and user-friendly design, C-MAP digital marine charts are an indispensable companion for safe and confident navigation.
C-MAP Chart Ranges
- C-MAP Discover™
- Ideal for boaters seeking clear and detailed cartography.
They provide an accurate view of coastlines, seabeds, and harbor infrastructures, with reliable and regularly updated navigation data.
- Ideal for boaters seeking clear and detailed cartography.
- C-MAP Reveal™
- Designed for demanding navigators, these charts include premium features such as ultra-realistic 3D bathymetry, high-definition satellite imagery, and enhanced views to identify anchorages or fishing areas.
They deliver an immersive experience and unmatched readability.
- Designed for demanding navigators, these charts include premium features such as ultra-realistic 3D bathymetry, high-definition satellite imagery, and enhanced views to identify anchorages or fishing areas.
- C-MAP MAX-N™ & MAX-N+™
- Developed for Lowrance, Simrad, and B&G plotters, they include enhanced data such as aerial photos, detailed harbor charts, and dynamic information on tides and currents.
- C-MAP 4D™
- C-MAP Discover X™
- C-MAP Reveal X™
Software requiring specific preparation:
- Adrena: requires specific C-MAP chart preparation for Adrena.
- Rose Point: charts must be purchased directly from the publisher.
Since May 2020, C-MAP has discontinued the sale of NT and NT+ charts, as well as FP Card and C Card formats.
Verification and Compatibility Before Shipping
All charts are checked and tested by a programmer before dispatch.
If you experience positioning or scaling issues, your plotter may need a software update.
Compatibility with Plotters and Purchase Conditions
Before purchasing, it is essential to verify that the charts are compatible with your device.
All marine charts are produced to order and include the latest updates.
Due to their rapidly changing nature, charts cannot be returned or exchanged.
When placing your order, please provide:
- Brand
- Model
- Year of manufacture
- Device or software reference numbers
Without this information, compatibility cannot be verified, and no claims will be accepted.
Special Sales Conditions
All marine charts, whether paper or digital, are produced to order and include the latest available updates. In accordance with Article L221-28 of the French Consumer Code, the right of withdrawal does not apply to products that may quickly become obsolete. Therefore, these charts cannot be returned or exchanged, and the sale is considered final once the order has been placed.