Learn more about The Lost Sea.
Take a boat ride on the Lost Sea, a unique natural wonder which is listed as “America’s Largest Underground Lake” in the Guinness Book of World Records. Lost Sea has been designated a Registered Natural Landmark by the U.S. Dept. of Interior.
140 Lost Sea Rd.
Sweetwater, TN 37874
Closed Christmas Day
- Senior Citizen Discount
- Group Discount
- Military Discount
- AAA Discount
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