What does 沿い mean?
沿い is a Japanese suffix meaning “along (a river, coast, railway, etc.); on (e.g. a street)” in English. It is written as 沿い in kanji, ぞい in hiragana, and zoi in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
船は海岸沿いに航行していた。
The ship sailed along the coast.