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  4. Hotel O3zone

4-star hotel with spa · Centrul stațiunii, Aleea Sfânta Ana

Hotel O3zone

A four-star hotel on Aleea Sfânta Ana, with a spa centre, a restaurant and a conference centre.

Official website ↗

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Where to stay
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Why it's on the list

It has the most reviews of any hotel in the resort: 4.3 on Google from almost 2,450 and 8.9 on Booking from more than 2,100.

Harghita.info editorial team · Checked November 2026

About the place

The hotel has 114 rooms, 108 of them doubles or twins and 6 apartments, according to its website. The spa offers massages, facials and relaxation rituals, for guests and for outside visitors. The restaurant mixes traditional and international cooking, and the conference centre has three halls.

It scores 4.3 on Google from about 2,450 reviews and 8.9 on Booking from more than 2,100. A review from June 2026 criticises worn furniture in some rooms.

Good to know

  • Check-in is from 2 pm and check-out by noon, according to the website.
  • The hotel accepts Romanian holiday vouchers (tichete de vacanță), according to its website.
  • Lake Ciucaș and the springs on Aleea Sfânta Ana are a few minutes' walk away.