How many letters does the top answer for “an island of western scotland at the southern end of the inner hebrides” have?

The most common answer is islay (5 letters).

Crossword clue: an island of western scotland at the southern end of the inner hebrides

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

islay 5 letters wn-def

an island of western Scotland at the southern end of the Inner Hebrides