The most notable feature of Homer is the Homer Spit , a 4.5 m long finger of land sticking out into Kachemak Bay . Homer is on the shore of Kachemak Bay on the southwest side of the Kenai Peninsula . Its most distinguishing feature is the Homer Spit , a narrow 4.5 mile ( 7 km ) long gravel bar that extends into the bay , on which is located the Homer Harbor .