Rothesay is an ancient town on the Isle of Bute in Scotland, and the only town on the island.
It has been a Royal Burgh since 1401.
Rothesay is situated in a sheltered bay on the Firth of Clyde, and has been a popular seaside resort since the 19th century, with steamer excursions from various points on the mainland, including Glasgow.
Among the attractions are a popular promenade and pier.
Rothesay Castle was started in the 13th century, and has curtain walls and towers. It was a Royal residence in the Stuart period.
St. Michael`s Chapel, an attractive ruin, dates from the 14th century.
"The Day We Went to Rothesay - O" is a popular folk song.