http://bulungula.com/
Bulungula, possibly the most inspiring place I have been on earth. Truly amazing.
http://www.tucanhotel.com/
Tucan hotel / hostel recommended by Chrissy in Guatemala.
http://www.costaricabackpackers.com/
Hostel with free wifi in San Jose, Costa Rica. From $12 a night in the dorm. Has a garden, pool, etc.
http://www.syha.org.uk/
The SYHA run all the YHA hostels in Scotland.