Just a 5-minute walk from Armenian Opera and Ballet Theatre and 0.8 miles from Republic Square, Guest House Costa features accommodations in Yerevan, with a shared lounge. The property is around 13 miles from Etchmiadzin Cathedral, 1.2 miles from Yerevan State University, and 1.5 miles from Saint Gregory the Illuminator Cathedral. The accommodation offers an ATM, private check-in and check-out, and currency exchange for guests. The units at the guest house feature private entrance and soundproofing so guests can enjoy a peaceful stay. Free Wifi is accessible to all guests, while some rooms also offer a balcony. At the guest house, the units include bed linen and towels. A mini-market is available at the guest house. Popular points of interest near the guest house include History Museum of Armenia, Blue Mosque, and Yerevan Cascade. Zvartnots International Airport is 6.2 miles from the property, and the property offers a paid airport shuttle service.