Modica is a very touristy place and there are many accommodation possibilities.
https://www.modica.it/turismo.htm (only in Italian)
http://www.comunemodica.rg.it/site/ufficio-turistico/ (multi-languages)
You might contact hotels and B&B through their reservation web pages and check the availability yourself. September is still a touristy period in Modica, so early hotel booking is highly recommended.
Below, we offer you a limited selection of hotels within walking distance of Palazzo Grimaldi. The following hotels are placed in Modica Bassa except Palazzo Failla that is in Modica Alta (Palazzo Grimaldi is in Modica Bassa and around 20 minutes by foot from Palazzo Grimaldi).
- Palazzo Failla Hotel
Via Blandini, 5, 97015 Modica RG
- Le Magnolie Hotel
Str. Campailla, 24/25, 97015 Modica RG
mailto:info@lemagnoliehotel.it
- Hotel Principe D'Aragona
Corso Umberto I, 281, 97015 Modica RG
mailto:direzione@hotelprincipedaragona.it
- Hotel Relais
Via Campailla, 99, 97015 Modica RG
mailto:hotelrelaismodica@gmail.com
- Ferro Hotel
Via Stazione, 97015 Modica RG