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Tutka Bay Lagoon is about 4 miles (6.5 km) inside and on the southwest shore of Tutka Bay, surrounded by Kachemak Bay State Park, Alaska. The lagoon is well protected and has depths to 27 feet (8 m), but the entrance is a very narrow channel, and not navigable at low tide. The entrance is also protected by a rock and a submerged delta plain that extends about 0.25 mile (400 m) offshore.
Kachemak Bay State Park is 400,000 acres (161,943 ha) in and around Kachemak Bay and the southern Kenai Peninsula. The park has no road access and visitors normally fly in or travel by boat from Homer. Kachemak Bay is considered a critical habitat area due to the biodiversity in the area.
The Tutka Bay Lagoon Hatchery is owned by the State of Alaska and operated by the Cook Inlet Aquaculture Association. The facility was constructed in 1976 and was expanded in 1991. The primary production is pink salmon, which have been released every year from 1976–2004, and then again from 2011–present. The hatchery is permitted by the State of Alaska to incubate 125 million pink salmon eggs annually. About 100 million pink salmon fry are reared in net pens in Tutka Bay Lagoon for about 2 months. The fry imprint at the net pens, resulting in about 3 million adult pink salmon returning to the lagoon each year. Read more here and here. Click here to download the CoastView app and explore Tutka Bay.