What about that hostel place that guy promoted on here? He had a blog. They have rooms as well.
http://www.islandlifebackpackershostel.com/
These places are tremendous for young people!! You have instant friendships and learn DR1-esque information about your surroundings. Thirty years ago, I "hostelled" across Europe and if the European women's standards were just a smidgeon lower, you bet I would have some stories!!!