NOAA S-57 chart cell

Approaches to Boca Grande Key

US5FL4CO

Usage band
Harbor · code 5
Current edition
2.0
Features
235
S-57 layers
17
Published
May 28, 2025
Manifest updated
Jun 22, 2026, 2:51 PM UTC

Coverage

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North
24.52500° N
South
24.45000° N
West
82.05000° W
East
81.97500° W
Center
24.48750° N, 82.01250° W
Bounds area
18 sq nm
Feature density
12.7347 / sq nm

Chart Statistics

17 largest layers shown

Average features per layer
13.8
Smallest layer
1
Largest layer
58
Area sq km
63
Features per sq km
3.71286
  1. DEPCNT Depth contour 58
  2. DEPARE Depth area 53
  3. SBDARE Seabed area 52
  4. UWTROC Underwater rock 28
  5. M_QUAL Data quality 10
  6. RESARE 9
  7. SEAARE Sea area 5
  8. SOUNDG Sounding 5
  9. WRECKS Wreck 4
  10. COALNE Coastline 2
  11. M_NPUB 2
  12. MAGVAR Magnetic variation 2
  13. ADMARE 1
  14. LNDARE Land area 1
  15. M_COVR Coverage 1
  16. M_NSYS 1
  17. VEGATN 1

Nearby Chart Cells

Harbor usage band

Current Edition Files

The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.

Editions

Edition Published Metadata
2.0 May 28, 2025 metadata.json