Horizon Casino Hotel is a stationary boat Casino in Vicksburg, Mississippi and is open 24 hours. Horizon Casino Vicksburg offers all the comfort you expect along with 117 luxurious rooms and the top-notch service you demand. Whether you are staying for business or for pleasure, they have what you're looking for. Their stunning 297 feet long, 36,000 square foot riverboat is designed in the spirit of the traditional riverboats of the 1800's, historically found on the Mississippi River. The multi-level facility features gaming on its first two levels.