Sonar Verified Wrecks - Long Island Sound and Block Island Sound


Sonar Verified Wrecks in Long Island and Block Island Sounds

StrikeLines’ shipwreck chart for Long Island and Block Island sound with 343 GPS waypoints, all found with high resolution multi-beam sonar.

We combed through thousands of square miles of high resolution multi-beam sonar data from the East River to Cape Cod to bring you these wrecks. Every wreck we found was carefully marked and locations are accurate to within a few feet.

If you’ve got an interest in shipwrecks and diving or fishing, our wreck charts are for you! Don’t waste time and fuel searching for a wreck – only some of which are even charted – when we can provide the exact location.

Our wreck charts can be displayed on your phone, tablet, or computer with a variety of apps or on just about any chart plotter. On a marine chart plotter the waypoints will overlay on top of your normal chart.

If you select a microSD/SD chart card, a chart card will be mailed to you. If you select a chart version for your phone, tablet, or computer you will be provided download links on your checkout confirmation page, by email, and in your account if you create one. Make sure to start with the instructions! Tight Lines!



3D mobile, PC, and ALL waypoint charts are provided as a digital download unless you select “ship me a card.” You will be provided a link to download the chart files after checkout and in your order confirmation email (check your spam folder).  Download the file, double click it, and read the instructions inside.  Make sure to create an account at checkout so you can log back in and access your StrikeLines files at any time.

3D charts for Simrad, Lowrance, B&G, and VesselView are mailed to you on a SD/MicroSD card due to our license agreement with Navico. Please enter a USPS approved shipping address at checkout.

Got a Garmin?  Our waypoint based charts, like the Offshore St Pete chart, work well on Garmin. You’ll get all the waypoints just not the red lines. We also provide you the Google Earth version so you can view the lines on your phone, tablet, or computer.

3D for Garmin? Your best option is to use the mobile version on your phone or tablet. Your position is overlayed on the chart even offshore without cell service, you can create waypoints, navigate, and pull coordinates from the chart to input in your Garmin.  If you buy the tablet from us we’ll even pre-load your charts!

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