Never stayed at the SPI KOA, but winter in Mission, TX and travel to SPI at least twice during the winter. If it were me I would use the County RV park. More reasonable in price and sites are not as crowded.
Dave Kedrowski
2004.5 White Dodge Ram3500 SLT QuadCab 4x4 Cummins Auto 4.1 Antislip SRW SWB Sport Appearance
2011 Keystone Montana 3150RL, Pullrite SuperGlide, Prodigy Brake Controller.:)