In the centre of the village is the parish church of St Martin, which dates from the 12th century and has a Norman font. Other amenities in the village include a public house, a village hall and a farm shop. Bronze Age barrows including Clandon Barrow surround the village, and Maiden Castle hillfort is nearby. The stream running through the village is a winterbourne.
Winterborne St Martin is in the UK Weather Records for the Highest 24-hour total rainfall, which was recorded in the village on July 18 1955. The total recorded was 279 mm (11 inches) in a 15-hour period.