The operator opened its first property in Santorini – Tui Sensimar Meltemi Blu – earlier this month.
Tui is planning to open six new properties in Greece this summer, growing its range to 49 in total.
The 96-room adults-only new-build in Perissa features a contemporary style and is aimed squarely at couples.
The Sensimar brand has expanded to the Greek islands of Kos, Crete and Zakynthos for summer 2019, while Tui has also opened a new Family Life property in Crete and a new Atlantica Beach Resort hotel in Kos.