Castle Drive St Mawes TR2 5DE St Mawes Castle | English HeritageSt Mawes Castle is among the best-preserved of Henry VIII's coastal artillery fortresses, and the most elaborately decorated of them all.HISTORY-MAKING DAYS OUT FROM £7.50 PER ADULT Spend the day exploring St Mawes Castle, one of the best-preserved of Henry VIII's coastal artillery fortresses, and the most elaborately decorated. Part of a chain of forts built between 1539 and 1545 to counter https://www.english-heritage.org.uk/visit/places/st-mawes-castle/