The phone number of Hostal San Martín (hotel & b&b in Madrid) is +34 91 531 91 76. Address: Calle de Concepción Arenal 4. Contact checked on 20.08.2026 against the official website.
- Indirizzo
- Calle de Concepción Arenal 4, Madrid
- Telefono
- +34 91 531 91 76