NOAA > NESDIS > NCEI (formerly NGDC) > Marine Geology and Geophysics > Bathymetry & Relief privacy policy  All Bathy/Relief Coastal DEMs Fishing Global Lakes Multibeam NOS

Report for F00921 Locality: Islamorada, FL Sublocality: Islamorada State(s) or Region(s): Florida Start Date: 2025-06-03 End Date: 2025-06-05 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download times vary depending on file size and data transfer rates. Download All Products for F00921
Visit the full NCEI Bathymetry Viewer.

Survey Products

Descriptive Report and Metadata Documents

NOAA/NOS Descriptive Reports and Metadata Documents
Products listed in these reports may not reflect final products available through NCEI.
F00921_Survey_Metadata.xml	30.3KB	HSSD-format survey-level metadata record in XML format. May be opened using a web browser or text viewer.
F00921_Survey_Metadata.pdf	0.87MB	HSSD-format survey-level metadata record in PDF format. The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
F00921 View / Download F00921.xml		Usually presented as an XML document, which captures the basic characteristics of HSMDB metadata verified from H10000 (1982) to the present as well as F00200 (1965) to the present.

Bathymetry

Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details.
Bathymetric Attributed Grid (BAG) Data
The BAG format is a gridded, multi-dimensional bathymetric data file (see Open Navigation Surface). Readable with various applications such as the free CARIS Easy View, ESRI ArcGIS or open source GDAL. The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty.
F00921_MB_1m_MLLW_1of4.bag	1.17MB
F00921_MB_1m_MLLW_3of4.bag	114.7KB
F00921_MB_1m_MLLW_2of4.bag	0.53MB
F00921_MB_1m_MLLW_4of4.bag	132.8KB

Images

GeoImagePDF
F00921_GeoImage.pdf	4.51MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.
NOAA/NOS sidescan sonar mosaic in TIFF format
F00921_SSSAB_1m_900kHz_6of6.tiff	389.8KB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
F00921_SSSAB_1m_900kHz_2of6.tiff	1.55MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
F00921_SSSAB_1m_900kHz_3of6.tiff	308.9KB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
F00921_SSSAB_1m_900kHz_5of6.tiff	342.8KB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
F00921_SSSAB_1m_900kHz_1of6.tiff	0.93MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
F00921_SSSAB_1m_900kHz_4of6.tiff	287.1KB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
NOAA/NOS multibeam acoustic backscatter mosaic in TIFF format
The multibeam acoustic backscatter mosaic is readable with various applications such as the free CARIS Easy View, or ESRI ArcGIS geospatial visualization software.
F00921_MBAB_2m_S3009_300kHz_1of1.tif	0.51MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Project Documents

Well Known Text File
S-H909-NRTNL-25_WKT_ChartDatum_1of1.txt	2.3KB	Geodetic information for the project products in text format.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Islamorada, FL Islamorada Florida

Start Date End Date Approval Date 2025-06-03 2025-06-05

Project Number Project Name Purpose S-H909-NRTNL-25

Source of Original Data and License Information

License Information These data were produced by NOAA and are in the public domain within the United States. NOAA waives any potential copyright and related rights in these data worldwide through the Creative Commons Zero 1.0 Universal Public Domain Dedication (CC0-1.0). View the license deed. View the legal code.

Reference System Information

Vertical Datum Horizontal Datum Projection Scale Mean Lower Low Water North American Datum 1983 (2011) Projected UTM 17

Affected Products

Survey Equipment

Vessel(s) Chief(s) of Party NOAA SeaArk Launch S3009 LT Mark Meadows

Manufacturer Model Instrument Type AML Oceanographic MicroX SV Sound Speed System SonTek CastAway-CTD Conductivity, Temperature, and Depth Sensor EdgeTech 4125 SSS Applanix POS MV 320 v5 Positioning and Attitude System Kongsberg Maritime EM 2040C MBES

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw Data Only 44.615 2025-09-10 02:32:00.0 BACKSCATTER, SIDE SCAN, BATHYMETRY