Start your day at Puerta del Sol, the spot locals use as the mental map for central Madrid. It’s busiest in the late morning, but that’s part of the charm on a first day — you get the pulse of the city right away. Stand by the Kilómetro Cero marker, watch the crowd flow around Casa de Correos, and then just wander a few minutes through Calle Mayor and the lanes toward the old center. If you’re arriving from a hotel in Gran Vía, Centro, or La Latina, this is usually an easy walk; otherwise the Metro Sol hub connects quickly from almost anywhere. Give yourself about 45 minutes here so you can orient without rushing.
From there, it’s a short walk to Mercado de San Miguel, which is one of the most convenient first food stops in the city. It’s not the cheapest place in Madrid, but for a first-day sampler it works beautifully: grab a couple of tapas, a vermut, maybe some croquetas or jamón, and keep moving. Expect around €15–25 per person depending on how much you snack, and note that it gets packed from noon onward, so earlier is smoother. If you want a slightly quieter bite, slip in on the edges of lunch rather than peak hour.
After lunch, stroll over to Plaza Mayor — it’s only a few minutes away, and the walk itself is part of the experience. The square is usually lively with street performers, painters, and people lingering under the arcades, so this is less about checking a box and more about letting Madrid’s old-center atmosphere sink in. A quick 30–45 minutes is enough unless you want to sit for a coffee or people-watch under the Casa de la Panadería. From here, head toward Ópera for your next stop; the easiest route is a relaxed 10–15 minute walk through the historic streets.
For lunch or a proper coffee break, settle in at Café de Oriente, which is one of those dependable places that earns its keep through location and views. You’re right by the Royal Palace, with a terrace that feels especially good on a clear afternoon. A full lunch will usually run €20–35 per person, while a coffee and dessert stop is lighter. After that, spend 1.5–2 hours inside the Royal Palace of Madrid itself. Book tickets ahead if you can, especially on weekends, and try to arrive with a bit of buffer because lines can build. The palace is one of the best “first day” sights in Madrid: grand, easy to understand, and a strong introduction to the city’s history without feeling overwhelming.
End the day at Templo de Debod, which is one of Madrid’s nicest places to decompress after sightseeing. From the palace area, it’s a straightforward walk or a short taxi/Metro hop toward Plaza de España and the edge of Parque del Oeste. The temple itself is best in the hour before sunset, when the light hits the water and the skyline opens up across the city — locals know it as one of the simplest, most satisfying views in Madrid. Bring a jacket if the breeze is up, and don’t overplan the evening; this is the kind of spot where the day should just taper off naturally. If you still have energy afterward, head back toward La Latina or Malasaña for an easy drink, but if not, you’ve already had a very complete first day.