Hostel Shiado (Lisbon) - room is comfortable and clean. Each room has its own little character. It is located less than 5 minutes walk to the subway station, Baixa-Chiado.
Hostel is at Rua Anchieta 5 - 3 Piano. Tel: 21 342 9227.
This is the 2 single beds I was staying with my friend.
They even host a party for its guests.
Dixo's Oporto Hostel (Porto) - nice hostel with character but rooms are a bit small. Not for someone who has knee problem cause you may have to climb up and down the stairs. It is a 5 storey building with narrow stairs.
Hostel at Rua Mouzinho da Silveira 72. Tel: 351 222 444 278
Books shelves in the dining room.
A double bedroom.
Nice bathroom but the shower is really tiny.