You can stream the series with subtitles through a BritBox subscription on Prime Video.
The BBC One platform offers built-in English subtitles (CC) for both Series 1 and 2. Granite Harbour (2022) English subtitles
The BBC police procedural has quickly become a fan favourite for its unique "fish-out-of-water" premise set against the rugged backdrop of Aberdeen, Scotland. You can stream the series with subtitles through