2018–19 South West Peninsula League Division One East

Division One East will feature 20 clubs, increased from 18 the previous season, after Totnes & Dartington resigned from the league, and three new clubs joined:


 * Elmore, promoted from the Devon and Exeter League.
 * Stoke Gabriel, demoted from the Premier Division due to ground grading failure.
 * Waldon Athletic, promoted from the South Devon League