From Termini Station: Take the "A Line" and after 4 stop drop off to  "Ottaviano" , the entrance at the structure is few steps form the underground.
Vatican Luxury Suites Official Website
Via Ottaviano 105 Roma

Bed and breakfast
Residenza Vaticano
Very central, comfortable rooms
Viale Vaticano 102 Roma
To book, look for an available date inside the calendar.

Vacation Rentals
Bogo Pio 177 Roma
From 09-20 To 09-21
price from
66.22 EUR

Bed and breakfast
Residenza Palline
Vicolo Palline, 5 Roma  
From 09-20 To 09-21
price from
59.00 EUR