The town of Yonges Island is at Mile 490.2. A boatyard at the town has marine railways that can handle craft up to 150 feet long and 350 tons, and mobile cranes up to 40 tons. The maximum draft at the railways is 12 feet.
Navigation:
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Two tributaries of North Edisto River, Wadmalaw River from eastward and Dawho River from westward, are part of the Intracoastal Waterway. Bluff Point is on the Wadmalaw.
From Wappoo Creek, the route of the waterway is through Elliott Cut and Stono River to Wadmalaw River. The route of the waterway enters Wadmalaw River at Mile 486.7.