In 1920 after the subdivision of the territory between bath Hévíz and Saint Andrew Hévíz the Hungarian Royal Post bought more territories. In 1923 they started to build first the Post Holiday Home in the Park Street. In 1928 in the place of todays' Hotel Aquamarin was built the second building for post officers.

In 1936 the hotel had already had a permanent doctor. During the second world war it was used as a Hungarian Military Hospital, from 1945 was Russian Martial Hospital for a short time, then from 1949-1950 gave place for the Greek revolutionars. From 1953 it was one of the first Hungarian trade union's hotels, where the postmen could spend their holiday again. From 1957 became a cure-hotel. In 1953 this hotel was the first place where the weight-bath invited by dr. Károly Moll was installed.

The hotel has 2 acre large park with many rarity plants. The hotel has three bathepools - two inside and one outside 160 m2 swimmingpool filled with thermal water. The different types of medical treatments help the healing, prevention and rehabilitation of locomotor disorders. The older "A" building includes 44 old rooms, the newer "B" building has 56 renovated rooms. The two buildings are able to welcome alltogether 192 persons.

In the newly constructed building "B" section (in 2009 completely renovated) rooms on the property: Color TV, direct dial telephone, refrigerator, bathroom with sink and shower, toilet (not a bathroom in the room). Each room has a balcony.

The older built "A" building located in the old rooms are furnished in part: Color TV, telephone, refrigerator, toilet, shower and sink. The eastern "wing" has 16 double rooms, 7 with a balcony.

Before starting the bathe cure it is recommended a medical examination, where it is surveyed the guests' locomotor disease,
the general status of organism, loadability, the control of contraindications. After the examination the doctor will offer a special personal cuer program, which can be completed with a diet as well. The ideal term of a bathe cure is 2 or 3 weeks. The guests who are not willing to make a complete cure, they have the opportunity to receive massages for extra charge.