Hostels provide friendly, inexpensive overnight accommodations for travelers, where they can rent a bed, sometimes a bunk bed, in a dormitory and share a bathroom, lounge and sometimes a kitchen. Rooms can be mixed or single-sex, although private rooms may also be available. Most hostels offer fully equipped self-service kitchens or cafeterias, dining areas, secure storage and common rooms for relaxing and socializing with other travelers. Some hostels have laundry facilities, travel libraries and concierge service. There are a few that even have hot tubs, swimming pools, barbecues and CRAZY PARTIES like SANT JORDI HOSTELS BARCELONA.