There's two restaurants/hotels that service travelers and a bed and breakfast that also includes use of a kayak.
Casa Sonrisas
502 5733 6364
Cost is 80Q ($10 USD) per person
A lake front Bed and Breakfast in San Antonio
Has three rooms. One has a double bed, one has two double beds and the third has 4 singles, two of which is a bunk bed. **DOG FRIENDLY**