The 1 marinas on Watts Bar Lake that sell diesel. If you're cruising the Tennessee River in a diesel boat, this is the short list. Always call ahead to confirm fuel is available and the dock is staffed before committing to a fuel-stop run.
The biggest marina on the lake, and on summer weekends you feel it.
The largest marina on Watts Bar, in a protected cove near Ten Mile. Fuel, repair, ship store, rentals, 260-plus slips on floating docks, the Crow's Nest restaurant, and live music on weekend nights.
Diesel is available at the larger full-service marinas. Blue Springs Marina is the largest single-stop option. Other marinas may carry diesel seasonally; confirm before relying on it.
Diesel pumpouts (for diesel-engine fuel-tank cleaning) are not standard. Standard sewage pumpouts for boat holding tanks are widely available at full-service marinas.
Last updated: April 30, 2026