The Celtica Hotel is a five-star hotel with branches in Liberty City and Los Santos. Its logo is a huge "C" with a sideways "T" in it. The hotel is also featured in Peepthatshit.com under the Hotels section. It is named after "Celtica", an academic journal devoted to Celtic studies.
- Kunzite Street, Star Junction, Algonquin, Liberty City.
- Pillbox Hill, Downtown Los Santos, San Andreas.
- The Celtica logo is actually from a Celtic cross, a combination of a cross surrounded by a circle. It is a characteristic of Celtic Christianity, although the first Celtic Cross, found in a cave in the French Pyrenees, goes back to earlier periods (10,000 BC).