lizathomas – https://airlines-office.com/blog/what-is-spirit-airlines-las-vegas-terminal/

Spirit airlines las vegas terminal is based at McCarran International Airport (LAS) in Las Vegas. Their check-in counters are located on Level 2 of the Terminal 1 ticketing lobby, while their gates are located on Concourse D of the Terminal 1. If you are unsure where to proceed, there are information desks and signage located throughout the airport to assist you.