Dear Sergey;
Thank you for your question. Our half board catering includes buffet breakfast plus buffet dinner. In frame of half board 1 non-alcoholic drink is provided to the dinner: the guests can choose from 1 soft drink or 1 mineral water or 1 coffee or 1 tea.
As for the thermal lake you can buy ticket at our front desk.
Our resort also has 2 thermal pools, which contain the very same healing water as the city's lake. Their use is included in our room rate.