Castiglione della Pescaia sits where the Tuscan Maremma meets the Tyrrhenian Sea. Its medieval centre climbs toward a castle above the harbour, while a few kilometres inland the Diaccia Botrona spreads across a low, wet landscape shaped by centuries of water management. The contrast is the town’s defining feature: a busy coastal community beside one of the region’s important marsh ecosystems, with Etruscan archaeology in the hills beyond.
ISTAT estimated 7,056 residents in the whole municipality on 1 January 2026. The figure covers a large territory that includes the coastal settlements and inland villages; it is not the population of the historic centre alone. Tourism is a major part of the public conversation about the local economy. In September 2026 the municipality described a new strategy to broaden the offer beyond beach holidays, connecting the sea with nature, culture, villages, sport and local food. Fishing remains visible at the harbour, where working boats share the waterfront with leisure craft.
Read the old town from the harbour uphill
The most satisfying first walk starts near the port and follows the rising streets into the walled centre. The stone lanes tighten as they climb, then open onto views of the Bruna river mouth, the coast and the wetland plain. The castle and the defensive walls are not museum scenery: they explain why this small harbour mattered as a point of observation and control along the Maremma shore. Castiglione’s old town is compact, but its steep streets reward time rather than a quick loop.
Its historical layers should be kept distinct. The Comune’s territory contains the Etruscan city of Vetulonia, whose archaeological remains and monumental tombs are now a separate destination in the hills. Near the modern coast, finds at Paduline and other sites point to Roman-period settlement and movement. Those traces belong to the wider area; they do not make the present medieval town a Roman foundation. Archival records assembled by the Italian Ministry of Culture trace the local community through medieval rule, including the gradual establishment of Pisa’s authority from the late twelfth century, later Florentine and Aragonese control, and renewed municipal autonomy in the nineteenth century.
Vetulonia is a day trip into Etruscan Maremma
Vetulonia is one of the strongest reasons to use Castiglione as a base rather than treating it only as a beach resort. The archaeological park preserves areas of the ancient settlement, including quarters that developed from the seventh century BC into the late Republican period, as well as tombs along the Via dei Sepolcri. Among the best-known are the monumental Pietrera and Diavolino II tumuli. The evidence gives visitors a way to encounter Etruscan urban and burial landscapes directly, without turning the modern coast into a legendary ancient city.
The Museo Civico Archeologico Isidoro Falchi, or MuVet, stands in Vetulonia and helps make sense of those outdoor remains. It takes its name from the doctor and archaeologist who brought the site back into archaeological attention in the late nineteenth century. The museum displays finds from the ancient city and its cemetery, and its exhibitions connect local objects to the larger story of Etruscan culture. The park and museum have separate schedules, and outdoor sites may close under severe weather alerts; check both before travelling. The town’s tourist information office is at Piazza Giuseppe Garibaldi 6 and can help with current access and local itineraries.
Casa Rossa and the changing wetland
Castiglione’s story is also a story of engineering. In the eighteenth century the Jesuit engineer Leonardo Ximenes worked on the hydraulic management of the former marshland. The Casa Rossa, built in 1765, became part of that effort; today it houses an interactive museum about reclamation, Maremma ecology, local plants and wildlife, and the transformation of the landscape. Rather than treating the wetland as empty land waiting to be drained, the museum helps visitors see the long relationship between water, farming, fishing and settlement.
Casa Rossa is now a visitor gateway to the Diaccia Botrona reserve. The protected wetland covers about 1,348 hectares across the municipalities of Grosseto and Castiglione della Pescaia. It is a place to watch seasonal birdlife and to understand how channels, reeds, marsh and open water form a living system. A 2026 agreement between the municipality, Grosseto and the Tuscany Region renewed joint management, maintenance and monitoring; the Casa Rossa visitor centre was singled out for environmental education and interpretation. Visit arrangements, guided activities and trail access change with the season, so check current notices instead of relying on an old timetable.
Sea, pinewoods and the villages inland
The coast is varied enough to shape different days. Near the centre, the harbour and beach sit within easy reach of the historic streets. The municipal area continues along beaches and pinewoods toward the Rocchette and Punta Ala, where a marina and more dispersed coastal settlements create a different rhythm from the old town. Around fifteen kilometres away, Punta Ala combines a large marina with a long sandy shore. Beach facilities, parking and access conditions vary through the year, and the local traffic rules include regulated zones; follow current signs, especially around the centre and port.
Inland, the villages of Tirli and Buriano offer a change from the seafront: wooded slopes, medieval fabric and views across the Maremma plain. Vetulonia adds a substantial archaeological visit, while the Diaccia Botrona provides a quieter route into the area’s natural history. These are not interchangeable attractions. A good itinerary might pair the walled centre with Casa Rossa one day, then give Vetulonia and its tombs a separate half-day. A longer stay allows time for a coastal walk or a boat-based view of the shoreline, if operators are running.
Getting there and making the most of local services
Grosseto is the practical transport hub. Trains arrive there from the Pisa and Rome directions, and Autolinee Toscane’s 1/G line connects Grosseto FS with Castiglione della Pescaia; the operator also lists the line as serving the town’s Garibaldi and Riva del Sole stops. The Maremma Link combines train and bus for the coast in the summer season, while local coastal routes also change by month. Check the date-specific operator timetable before buying tickets. Driving gives more flexibility for Vetulonia, Buriano and scattered beaches, but the narrow historic streets and traffic restrictions make it sensible to leave the car outside the old centre.
Castiglione works for a short visit, but its best quality is how easily it links unlike landscapes. The castle overlooks the working harbour; the Casa Rossa interprets a marsh transformed by engineering and now managed for nature; Vetulonia puts Etruscan remains within the same municipal map. Together, they offer a richer picture of the Maremma than a beach day alone.