Hotel J is a budget-friendly hotel located within walking distance of El Retiro Park in Madrid. It provides smoke-free rooms for guests who prefer a smoke-free environment. The rooms are comfortable and equipped with basic amenities to ensure a pleasant stay. Hotel J also offers a 24-hour front desk service, free Wi-Fi, and a cozy lounge area for guests to relax. Its affordable rates and smoke-free rooms make it an ideal choice for budget-conscious travelers who want to explore El Retiro Park without compromising on a smoke-free accommodation option.