Situated just 1.5 km from the Lido, the 3-star Poseidon Alghero hotel features luggage storage. Also, guests have access to a diving club provided at the bed & breakfast.

The St. John Tower is located only a 6-minute walk from this Alghero hotel, and such natural sites as Spiaggia del Lido di San Giovanni Public Beach are 19 minutes' walk away. Maria Pia is right near the Poseidon Alghero, while Via XX Settembre / Viale Giovanni XXIII bus stop is 350 metres away. Nature lovers will appreciate the proximity to Spiaggia di San Giovanni, which is a mere 0.8 km away. The La Taulera can also be found within 25 minutes' walk of this accommodation. For those travelling from afar, Fertilia airport is 15 minutes' drive away.

The 9 rooms at Poseidon Alghero hotel are equipped with comforts such as an iron and air conditioning, as well as a flat-screen TV with satellite channels. The bathroom features a separate toilet and a shower, along with hair dryers and bath sheets.

7000 Caffe Di Francesca Perino E C Snc serves a good range of Italian food and lies in close proximity to this hotel.