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Caution - narrow channel and rock ledges, miles 349-352

  • Date Reported: Jan 22, 2018
  • Reporter: Waterway Guide Staff
  • Source: Waterway Guide Staff
  • Description:

    This stretch is known as the “Rock Pile” due to the rock ledges along both sides of the channel from ICW Mile 349 to around Mile 352. A number of charted daybeacons mark the most worrisome of the rock ledges, many of which are visible only at low tide. Not all of them are marked, so keep a sharp watch. Check on VHF Channels 13 or 16 to see if any tug or barge traffic is passing through the area. Boaters should exercise caution. Stay in the channel and follow the markers.  

  • Lat / Lon: N 33° 49.930' / W 078° 41.447'

DISCLAIMER: Waterway Guide Media provides Navigation Alerts as a resource for planning purposes only and does not warrant the information included in the postings as accurate. Advice and descriptions contained in the alerts are not for navigation.


3 Boater Comments

These are observations from the boating community. Waterway Guide information is verified regularly and all efforts will be made to validate any new updates submitted here. Thank you for taking the time to share comments about your experience.

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  • Comment by: Robert Sherer, on Dec 20, 2024
    Vessel Type: Sail
    LOA: 42'
    Draft: 5.0'

    There is 9.3 MLLW on the Bob423 track through the Rock Pile as of 2/16/2024. The least depth has not changed in 10 years.

    View location on the Waterway Guide Explorer


  • Comment by: Jane Hawkey, Explorer II, on Jan 9, 2022
    Vessel Type: Sail
    LOA: 57'
    Draft: 5.5'

    At low tide (Myrtle Beach) and southbound, drawing 5.5', we passed through the "rock pile" area with 5-8' depth under our keel. The rocks are wide and flat and clearly visible at low tide on either edge of the channel. The Pile zone began at day mark G 15A and ended at G 17A. There were two small R nuns (16A and B) and a G barrel (17) at the southern section of the Pile to guide us. We stayed in the center of the channel and had no problem.

    View location on the Waterway Guide Explorer


  • Comment by: Robert Sherer, on May 8, 2018
    Vessel Type: Sail
    LOA: 42'
    Draft: 5.0'

    Just stay in the channel between the red and green markers and you will have no problems. Before transiting, call ahead on VHF 16 to see if there is commercial traffic coming. Some barges take up the entire width of the channel so plan ahead.

    View location on the Waterway Guide Explorer

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