A total of 10 teams were contesting the league, including six sides from the 2018 season, one relegated from 2018 Meistriliiga and three promoted from the 2018 Esiliiga B.
[2] Nõmme Kalju U21 was the first team to suffer relegation after just returning to Esiliiga.
Keila also immediately returned to Esiliiga B after losing the relegation play-offs to Järve.
Tallinna Kalev U21 narrowly avoided relegation in its debut season thanks to Santos' decision to start the new season in the fourth tier II liiga.
[3] The other two promoted teams were Legion, who went almost unbeaten in its previous season, and Tammeka U21, who made its debut in the Esiliiga.