SLS Barcelona is a five-star hotel in Alella, Spain, located about 6,2mi from the city center. Address: Carrer De La Pau 2 St Adria Del Besos. With 626 reviews, this stylish retreat offers a starter rate from $282 per night.

Featured amenities include Pet Friendly (extra charges), Restaurant, and Outdoor swimming pool (free), plus Wifi (free), Room service, Fitness center (free), 24-hour front desk, Terrace, Soundproof rooms, Balcony, Garden view, and Landmark view. Additional options include Private Parking (extra charges), Shuttle service (extra charges), Meeting/Banquet facilities (extra charges), Babysitting/Child services (extra charges), Parking On Site (extra charges), Live music/Performance (extra charges), and Kids' meals (extra charges). Beach umbrellas (free) and Beach chairs/Loungers (free) complete the seaside side, while Kitchen, Kitchenette, and Kitchenware support longer stays, and Wheelchair accessible and Elevator add accessibility.

Streaming service (like Netflix) and Air conditioning pair with a sun deck, terrace, and balcony to create relaxing moments after the day’s explorations. Non-smoking rooms and Free toiletries are standard comforts, and a Tour desk helps plan activities. With 626 reviews and a starting price of $282, the hotel presents a luxe base in Alella for travelers seeking a memorable stay.

Food lovers will find the on-site dining scene a highlight, with three stylish options: Lora offering Mediterranean dishes in a modern setting, L’Anxova bringing Spanish flavors with a contemporary twist, and Deluxe serving international fare. Each venue pairs contemporary ambiance with terrace seating, perfect for sunset meals. For those who enjoy a little live atmosphere, occasional live music performances are offered for an extra charge.

A standout feature is the rooftop infinity pool, an adults-only oasis with stunning views that’s open seasonally. On sunny days, the seaside vibe continues with beach umbrellas and chairs provided free of charge, while nearby terraces and the outdoor spaces invite relaxing moments after a day of exploration.

There is a diverse slate of accommodations, including suites and studios with marina or sea views. Examples include the Celestial Signature Suite (1862 sqft), the Luxuriate Suite with Marina View (904 sqft), and the Euphoria Studio Suite (474 sqft), along with other stylish options like Apartment Euphoria (657 sqft) and Delight, King (301 sqft). Pets are welcome with extra charges, and payment accepts American Express, Visa, and Mastercard (cash is not accepted). Additional services such as private parking, shuttle service, and meeting facilities are available for extra charges.