Reservations for invited speakers are available in two locations:
- Isrotel Ramon Inn, Mitzpe Ramon
https://www.isrotel.com/isrotel-hotels/negev-desert/isrotel-ramon-inn/
 
- On-campus BIDR guest house, Midreshet Ben-Gurion
 
For all other contributors the reservations are made at: 
Sde Boker guest house and hostel, Midreshet Ben-Gurion 
http://sdeboker.co.il/english/