How many letters does the top answer for “a person from saint lucia” have?

The most common answer is saintlucian (11 letters).

Crossword clue: a person from saint lucia

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

saintlucian 11 letters wd-fact-v3

capital of saint lucia 50% similar → castries

city in saint lucia 50% similar → castries

island in saint lucia 50% similar → saintlucia

mountain in saint lucia 50% similar → grospiton, pitons, qualibou