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Hotel SB Diagonal Zero 4 Sup

★★★★ Plaça de Llevant, s/n, Barcelona, ES

8.2 guest rating· 9646 reviews

About this hotel

Luxurious Amenities

Hotel SB Diagonal Zero Barcelona offers a range of luxurious amenities including a spa, gym, and a seasonal panoramic pool on the rooftop. Guests can unwind at the Turkish bath and Finnish sauna in the spa, or enjoy beauty and massage treatments for a truly relaxing stay.

Modern Comforts

Each air-conditioned room at the hotel is equipped with modern comforts such as flat-screen satellite TV, free WiFi, and a laptop safe. The soundproofed rooms also feature iPod connectivity, ironing facilities, and tea/coffee making facilities for added convenience.

Smart Room Features

The rooms at Hotel SB Diagonal Zero Barcelona boast smart features like touch-screen controls for lights and temperature. The private bathrooms come with hairdryers, and guests can request bathrobes and slippers for a cozy stay.

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Rooms & rates

Suite with Hot Tub

Sleeps 2 · 35 m² · Queen bed

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Minibar

Double Room - 1 adult

Sleeps 1 · 26 m² · 2× Twin bed, Double bed

  • Desk
  • Air conditioning
  • Private bathroom
  • Minibar
  • Safety deposit box

Superior Double or Twin Room with Sea View

Sleeps 2 · 28 m² · Queen bed, 2× Twin bed

  • Desk
  • Air conditioning
  • Private bathroom
  • Minibar
  • Safety deposit box

Deluxe Suite with Spa Bath

Sleeps 2 · 70 m² · Extra-large double bed (Super-king size), Sofa bed

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Minibar

Double Room

Sleeps 2 · 26 m² · Queen bed, 2× Twin bed

  • Desk
  • Air conditioning
  • Private bathroom
  • Minibar
  • Safety deposit box

Suite with Spa Bath

Sleeps 2 · 35 m² · Queen bed

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Minibar

Superior Double or Twin Room with Sea View

Sleeps 2 · 28 m² · Queen bed, 2× Twin bed

  • Desk
  • Air conditioning
  • Private bathroom
  • Minibar
  • Safety deposit box

Double Room with Spa Access

Sleeps 2 · 26 m² · Queen bed, 2× Twin bed

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Minibar

Triple Room

Sleeps 3 · 28 m² · Twin bed, Queen bed, 3× Twin bed

  • Desk
  • Air conditioning
  • Private bathroom
  • Minibar
  • Safety deposit box

Superior Double Room with Sea View and Spa access

Sleeps 2 · 28 m² · Queen bed, 2× Twin bed

  • Desk
  • Air conditioning
  • Bathrobe
  • Private bathroom
  • Minibar

Amenities

  • Free WiFi
  • Outdoor pool
  • Outdoor pool - seasonal
  • Pool with view
  • Swimming pool
  • Spa/wellness center
  • Sauna
  • Fitness facilities
  • Accessible parking
  • Private parking
  • Breakfast in the room
  • Breakfast takeaway containers
  • Restaurant
  • Bar
Show all 83 amenities
  • Screens / Barriers between staff and guests for safety
  • Snack bar
  • Air conditioning
  • Sun loungers or beach chairs
  • 24-hour front desk
  • Tour desk
  • Business center
  • Room service
  • Non-smoking rooms
  • Family rooms
  • Access to health care professionals
  • Allergy-free room
  • Car hire
  • Cashless payment available
  • CCTV in common areas
  • CCTV outside property
  • Cleaning standards that are effective against Coronavirus
  • Coffee Shop on site
  • Contactless check-in/check-out
  • Daily housekeeping
  • Delivered food - securely covered
  • Designated smoking area
  • Dry cleaning
  • Electric vehicle charging station
  • Express check-in/check-out
  • Facilities for disabled guests
  • Fax/photocopying
  • Fire extinguishers
  • First aid kit available
  • Food delivered to guest room
  • Fruits
  • Garden
  • Guest room sealed after cleaning
  • Guest rooms disinfected between stays
  • Guests can opt-out any cleaning services during stay
  • Hammam
  • Hand sanitizer in guest room and key areas
  • Heating
  • Hot tub/Jacuzzi
  • Invoice provided
  • Ironing service
  • Key card access
  • Kid meals
  • Kid-friendly buffet
  • Laundry
  • Laundry washed per local authority guidelines
  • Lift / Elevator
  • Luggage storage
  • Massage services
  • Meeting/banquet facilities
  • Outdoor furniture
  • Packed lunches
  • Physical distancing in dining areas
  • Physical distancing rules followed
  • Property cleaned by professional cleaning companies
  • Safety deposit box
  • Sanitized tableware & silverware
  • Security alarm
  • Shared lounge/TV area
  • Shared stationery like menus, pens are removed
  • Smoke alarms
  • Solarium
  • Soundproof rooms
  • Special diet menus - on request
  • Staff adhere to local safety protocols
  • Strollers
  • Sun terrace
  • Terrace
  • Wine/champagne

Location

What guests say8.29646 reviews

+ Friendly and welcoming staff (multiple mentions)+ Good location; close to metro/tram and good connections+ Spacious, well-furnished rooms with great views+ Daily room cleaning noted by some guests− Cleanliness issues: dirty duvet/linens, mirrors and glass not cleaned− Unpleasant drainage-like smell in water− Noisy entrance/area and building can feel old
Cleanliness6.8
Service8.9
Location9.0
Room Quality7.5
Amenities7.8
Value for Money9.2

Guest review

10.0

Great location and wonderful staff. They have parking with a fee

HOSAM · SA · 2026-11-07

Bine

9.0

Emplacement

mohamed riad · DZ · 2026-11-07

Fue muy agradable aunque un poco alejado del centro

10.0

Hacen lo posible por cumplir los requerimientos, en este caso los cumplieron, gracias!

− Piscina superior no temperada

Ana · PE · 2026-11-07

Excelente

9.0

Excelente todo! La ubicación: a dos pasos del metro, muy cómodo para moverse. También cerca del mar y además cruzando la calle hay un shopping enorme con patio de comidas, juegos para niños y cine. Respecto al personal, han sido todos muy amables y respetuosos. En referencia a la habitación, me gustó todo! Es enorme y cómoda. Tiene ventanales que permiten la entrada de luz y si deseas descansar cierras las cortinas y en segundos queda todo oscuro. Las instalaciones son modernas y están bien cuidadas.

− Me gustaría hacer una sugerencia: a la hora de darme un baño me encontré con que no había acondicionador para el cabello. Llamé a la recepción para preguntar si me podían facilitar ese producto y me respondieron que no. Lamentablemente por la hora, no tenía la posibilidad de salir a comprar nada. Desde mi punto de vista resulta extraño que falte el acondicionador ya que en el baño había cepillo de dientes y pasta dental, shampoo, jabón líquido y crema para el cuerpo...es decir había absolutamente todo excepto esto. Quisiera sugerir que agreguen este producto ya que para las mujeres es esencial a la hora de lavarnos el cabello.

Sara · IT · 2026-11-07

Milý a nápomocný personál , čisto , dobrá poloha ak chceš kľud

7.0

Pokojná časť mesta , dobre vybavenie , potešila žehlička s doskou a zapožičanie vysávaču Mal som narodeniny a na izbe ma čakalo šampanské

− Raz v noci 1:30 asi nastal skrat a cez centrálny vypínač zaplo všetky svetla v izbe a nešlo zhasnúť. Po 2-3 minútach sa podarilo vypnúť. Zobudilo nás to

Adam · SK · 2026-11-07

Good to know

Please note that only guests aged 11 and over can use the spa.

Please note that according to your reservation policies, a prepayment may apply. In that case, a link to process a secure online payment will be sent. Guests are required to show a photo ID and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply.

This property does not accommodate bachelor(ette) or similar parties.

A deposit may be required at the property.