Castle Nails and Spa on Chula Vista's Third Avenue occupies a storefront at 1331 Third Avenue, anchoring the southern stretch of the Third Avenue Village personal-care corridor. The salon's men's manicure and pedicure program serves a grooming-conscious clientele that often overlaps with the fade-and-shave regulars at Kutthroat Third Avenue on the same Third Avenue strip. Services include fish pedicures, Russian manicures, gel nail extensions, dip powder, acrylic sets, and intricate freehand nail art on both natural and extended tips. Portrait and headshot clients booking session-ready manicures coordinate with area photographers, including San Diego Photography Classes in the greater Chula Vista creative community. Russian dry-manicure technique uses an e-file with a fine carbide or diamond bit at 15,000 to 20,000 RPM to remove the cuticle and pterygium without soaking, creating a cleaner gel-adhesion surface that extends wear time by up to one week.