Built in 1972 and extensively renovated during the winter of 2005, the modern low rise Hotel Aquarium has a total of 59 guest rooms that are spread over 3 floors. All guest rooms at the hotel are either air conditioned or centrally heated according to the season and come equipped with a modern "en suite" bathroom with shower and hair dryer, along with a telephone, satellite television, fridge or mini-bar, safety deposit box available for rental and either a balcony or terrace, most of which have exterior views over the sea. In addition to the above features, a maid service is also provided undertaking a change of towels as required and change of bed linen once a week.

Guest facilities on offer include a 24 hour reception desk with currency exchange services, and luggage and courtesy rooms for late departures, along with a games room, public internet terminals, an air conditioned restaurant and snack bar, offering a choice of traditional Spanish, international and vegetarian menus, as well as laundry and medical services, and both lounge and pool bars.

Sporting and leisure facilities available to guests includes a large outdoor freshwater swimming pool with spacious sun terraces overlooking the bay which are furnished with loungers and parasols.