Hotel D is a budget-friendly hotel located near El Retiro Park in Madrid. It offers 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 D also provides a 24-hour front desk service, free Wi-Fi, and a cozy lounge area for guests to relax. Its convenient location near El Retiro Park makes it an ideal choice for budget-conscious travelers who want to explore the park without compromising on a smoke-free accommodation option.