If you are looking for cheap oceanfront hotels in Myrtle Beach, then you should know that this task is not necessarily the easiest. Given that this is a location considered more high end, the hotel prices in this area tend to be a bit higher, but chances are that if you book a room with some months prior to your stay, you will be able to pay a lot less than the usual price.
In this respect, plan vacation soon and book the room as soon as you have decided on a particular location. You will probably be asked to make a small deposit, so make sure that you are prepared to do that too.