Hiddencove Marina of the Seneca Yacht Club is a full service power boating marina located in the small town of Seneca, Illinois on the Illinois River just about an hour by car from Chicago and the suburbs. It offers convenient, relaxed boating on the calm waters of the Illinois River, which is the waterway that links Lake Michigan to the Mississippi River to the Gulf of Mexico to just about anywhere.Hiddencove Marina offers stable, wide boat slips with water and power connections. The marina also has a restaurant on the Katie Hooper, fuel docks within a protected harbor, launch facilities, picnic gazebos,and large, clean bath facilities. Think of the Hiddencove Marina of the Seneca Yacht Club as your second home.Hiddencove Marina of the Seneca Yacht Club boasts a wide array of facilities for our members. Fuel docks are located in a protected harbor - away from damaging wake of passing boats. The exercise center is fully air-conditioned and available for members' fitness and enjoyment. The gazebos provide a park-like setting for cooking and relaxing after a day of boating.