Knik Arm is a major tidal bay, an extension of Cook Inlet located near Anchorage, Alaska. It is a saltwater feature characterized by extreme tidal fluctuations, with a range that can exceed 30 feet, among the highest in the world. This creates powerful tidal currents that are a primary safety consideration for paddlers. The only identified saltwater recreational boat launch for the Anchorage area is the Ship Creek ramp, situated between two rock jetties extending into Knik Arm. Another public access point is Goose Bay Point MacKenzie, a public boat ramp on Knik Arm offering calm, sheltered water suitable for beginners, with amenities including a ramp and parking. The water at this launch is generally calm and flat. The overall character of paddling in Knik Arm is defined by its vast, open water with significant exposure to wind and weather, demanding respect for tides and conditions. The best season for paddling is summer, specifically June through August. The scenery includes dramatic views of the Chugach and Talkeetna mountain ranges framing the inlet. Wildlife sightings such as bald eagles are possible. Paddlers must plan trips meticulously around the tidal cycle, aiming to paddle with the current and avoiding the strong ebb and flood stages. Crossing busy shipping channels near the Port of Anchorage may be necessary and requires vigilance for boat traffic.