|Gail Altman's home in Santa Costa|
|Proper Name||Santa Costa, California|
|Relevance||Gail Altman resided in the county|
|Appearance||How to Make a Quilt Out of Americans|
When the sisters travel to the county, they find it suspicious that Gail and her friends are the only ones who know about the murders and begin to question the true reason Aunt Gail told them to come to Santa Costa. The real reason the girls were called to the suburb was so that Gail and her friends could strip the girls of their powers and bestow them upon the demon Cryto in exchange for youth and beauty.
- Santa Costa may be based on the real life suburbs of San Francisco - Contra Costa and Santa Clara.