When we decided to stay in Hardeeville for the night, due to its convenient 1/2 way point between Hilton Head and Savannah, we looked at all the hotels in the town, and by far the Knights Inn had the largest room for the price. The staff was friendly and did everything to make our stay enjoyable. Yes, the building is kind of old, but its well maintained and the rooms were cleanest I've seen in a long time. I'm not sure what the previous reviewer was talking about with bugs in the room, but it is the middle of the summer in the South, you should expect some bugs everywhere you go, as long as you don't leave your room door open for too long it shouldn't be a problem.
Also, the free Wi-Fi was great, it was faster than most places I've been to.
I'd recommend this place to anyone traveling to the Hilton Head/Savannah area.
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC