South Naknek is a city located in the Bristol Bay Borough of Alaska, United States. It is situated on the south bank of the Naknek River, near the northeastern end of Bristol Bay. The city has a population of around 90 people, according to the most recent census. South Naknek is primarily a fishing community, with salmon fishing being the main economic activity. The city is accessible by air and water, and it serves as a gateway to the Bristol Bay region for tourists and fishermen.