The 3-star Poseidon Alghero hotel includes air-conditioned rooms and is located approximately a 10-minute walk from the 17th-century Church of St. Michele. The bed & breakfast features luggage storage along with luggage storage.

This Alghero hotel is about 5 km from Fertilia airport and in proximity to such cultural venues as Museo Archeologico della Citta di Alghero. Museo Diocesano d'Arte Sacra is merely 0.8 km away, while the stumpy 23m-high Torre di Porta Terra Tower is a mere 450 metres from the Poseidon Alghero. Guests might as well enjoy proximity to Manno Park, situated nearly 5 minutes' walk away. Spiaggia del Lido di San Giovanni Public Beach can also be found not far from this accommodation. Poseidon Alghero hotel stands merely 500 metres from Torre dell'Espero Rejal Tower, right near Via XX Settembre / Viale Giovanni XXIII bus stop.

This hotel offers 9 rooms with tea/coffee making equipment, and such modern conveniences as a flat-screen TV with satellite channels. Air conditioning are featured for guests' comfort. A separate toilet and a shower, along with such comforts as a hair dryer and bath sheets, are also provided.

Pizzeria Luna Rossa serves a good range of Italian food and lies steps away from the Poseidon.