These cost nothing and carry a full day each. Build around them and the paid tickets become optional extras instead of a budget drain.
Hlavne namestie and the Old Town Hall
FreeTipThe Main Square is free and always open, ringed by pastel facades, the Roland Fountain and the Old Town Hall with its distinctive yellow tower. Pay the small entry to the Bratislava City Museum inside the town hall and climb the tower for a rooftop view over the square; look for the cannonball lodged in the wall from Napoleon's 1809 siege.
Michael's Gate (Michalska brana)
FreeTipThis is the last surviving medieval city gate, a green-capped tower over the prettiest street in the old town. Buy the cheap ticket to the small weapons museum inside and climb to the top for the best close-up view down over the red rooftops and the pedestrian lane; it rarely queues, so go whenever you pass.
Bratislava Castle (Bratislavsky hrad)
FreeTipThe white four-towered castle on the hill is the city's landmark, and the grounds and terraces are free to walk with sweeping views over the Danube and across to Austria. You only pay for the interior museum, which is skippable if time is short; come toward sunset when the walls glow and the crowds thin, and allow a ten to fifteen minute uphill walk from the old town.
St Martin's Cathedral (Dom svateho Martina)
FreeTipThis Gothic cathedral crowned 11 Hungarian kings and queens when Bratislava served as the Habsburg coronation city, marked by the gilded replica crown on top of its spire. Entry is free outside Mass, but the tower motorway runs loudly right beside it; check the posted hours because it closes to visitors during services.
UFO Observation Deck on the SNP Bridge
FreeTipThe flying-saucer deck sits 85 meters up on a single pylon of the SNP Bridge, giving the widest view over the old town, the castle and the concrete sprawl of Petrzalka. The lift ticket is around 9 EUR but is refunded against a drink or a meal at the restaurant on top, so time it for sunset and buy an overpriced coffee to break even on the view.
The Quirky Bronze Statues
FreeTipThe old town is dotted with life-size bronze characters, the most famous being Cumil, the grinning man peeking out of a manhole at the corner of Panska and Rybarska, plus the top-hatted Schone Naci and a Napoleonic soldier leaning on a bench in the Main Square. They are free and scattered within a few streets; the manhole man is easy to miss underfoot, so watch the pavement corners.
Blue Church of St Elizabeth (Modry kostolik)
FreeTipThis turquoise Art Nouveau church, finished in 1913, is painted a startling powder blue inside and out, right down to the tiled roof and the round tower. It sits about ten minutes east of the core and only opens for short windows around morning and evening Mass, so check the times or plan to admire it from outside; it is one of the city's most photographed spots.
Devin Castle (Hrad Devin)
FreeTipThese dramatic clifftop ruins stand where the Morava river meets the Danube, right on the old Iron Curtain border with Austria, about 9km west of the city. Take bus 29 from the Novy Most stop below the SNP Bridge, roughly a 25-minute ride, and check the seasonal hours because the site closes in winter; the entry is a few euros and the river-fork views are the reason to come.
Slavin War Memorial and Viewpoint
FreeTipThis towering Soviet war memorial and cemetery honors the Red Army soldiers who died taking the city in 1945, set on a hill in an upmarket villa district north of the center. It is free and always open, and the terrace gives a quiet, wide view back over Bratislava; it is a 20-minute uphill walk from the old town, so save it for a clear day.
Danube Promenade and Eurovea
FreeTipThe flat riverside promenade runs from the old town east past the Eurovea development, lined with grassy terraces, the new Slovak National Theatre and cafe boats moored on the water. It is free and best at golden hour for a slow walk with a beer; the stretch below the castle and out to Eurovea is the easiest way to see the Danube on foot.