Travelling to Estonia
In short: Vaccinated are allowed to enter Estonia without restrictions. That includes non EU vaccines (e.g. Sputnik V)
Detailed & updated information about traveling to Estonia can be found here:
As of 1 February 2022, travelling gets easier in EU:
All persons must present a COVID certificate proving vaccination (valid for 270 days or 360 days after booster) or recovery (valid for 180 days) in order to participate the Festival. A COVID certificate is valid with an identification document.
Masks are mandatory inside the venue!
At the moment there is also curfew set to 23:00.