Iniskin Bay is a coastal bay on the west side of Cook Inlet in Alaska, USA. It is considered a secure harbor within the inlet, offering sheltered anchorage. The bay is surrounded by rugged wilderness, with its shores composed of Lower Jurassic porphyries, tuffs, and intrusive rock masses. Access for paddlers is primarily by water from distant launch points, with a trip originating from Deep Creek or Homer requiring a significant open-water crossing of Cook Inlet that demands careful planning. A one-acre site easement exists at the north end of the bay, which may be relevant for landing or access. The area is exposed to the large tidal swings and weather systems of Cook Inlet; discussions emphasize the importance of avoiding "big swinger tides" and watching the weather closely, as conditions can become severe, particularly further out in the inlet around Kalgin Island. The bay itself provides a calmer anchorage, with an account describing a pleasant, cool evening spent anchored there. The region is a designated habitat area for waterfowl and harbor seals. There are no dedicated paddler facilities, and the overall experience is one of remote, undeveloped Alaskan wilderness where self-sufficiency and respect for powerful marine conditions are paramount.