How many letters does the top answer for “city in saint michael” have?

The most common answer is bridgetown (10 letters).

Crossword clue: city in saint michael

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

bridgetown 10 letters wd-fact-v3

capital of Barbados; a port city on the southwestern coast of Barbados

city in saint helena 50% similar → jamestown

city in saint-louis 50% similar → dagana

city in saint lucia 50% similar → castries