Situated about 20 minutes' walk from the Church of Saint Eulalia, the 3-star B&B Civico N.21 Cagliari features an archaeological museum. Wi-Fi in public areas is available.

Located 700 metres from the 13th-century Cagliari Cathedral Museum, the hotel is also 1.6 km from entertainment venues like the Portus Karalis. The B&B Civico N.21 gives access to the Roman Amphitheatre of Cagliari, which is only 13 minutes' walk away. The Sant'Eulalia Archaeological Site and Treasure Museum is situated a mere 1.7 km from this Cagliari bed & breakfast. There is Regina Margherita bus stop in proximity to the accommodation.

Bathroom amenities include a bidet, a shower, and a toilet, as well as comforts such as hair dryers and towels.

Guests may find the sushi bar Ristorante Sushi Miya only steps away from B&B Civico N.21.