Celtic Spa & Laser Services
Luxury spa treatment setting

Monthly specials

This Month's Promotions

Treat yourself to something special. Kate curates exclusive offers each month — check back regularly for new deals on laser, waxing, and skin treatments.

Aesthetician performing a Zemits body contouring treatment on a client

Advanced Technology

Professional Treatments, Real Results

At Celtic Spa & Laser Services, Kate uses advanced equipment to deliver clinical-grade results in a calm, welcoming environment. Every treatment is tailored to your skin and your goals.

Book a Treatment
October Special

Ultimate Laser Bundle — Brazilian, Underarms & Half Legs

Get smooth everywhere with our biggest-value laser package of the season. Includes 6 sessions each of Brazilian laser hair removal (20 min · reg. $550/session), underarm laser hair removal (10 min · reg. $350/session), and half legs laser hair removal (45 min · reg. $375/session) — 18 sessions total across three of our most popular areas.

18 sessions for $3,999 — save $3,651 off the $7,650 regular price
Expires October 31, 2026
Book Now
October Special

Brazilian Wax — Free Inner Thigh or Stomach Strip

Book a Brazilian wax this month and choose a complimentary inner thigh wax or stomach strip wax on us. A little extra smoothness, no extra charge — all October long.

Free inner thigh or stomach strip with any Brazilian wax
Expires October 31, 2026
Book Now
October Special

3 Areas — 30% Off

Book laser hair removal for any 3 areas in a single visit and save 30% on your total. Mix and match from our full menu of laser treatment areas.

30% off when you book 3 areas
Expires October 31, 2026
Book Now
October Special

Cryo Neck Sculpting & Firming — 4-Session Package

Rejuvenate and tighten your neck's delicate skin with advanced localized cryotherapy. This targeted cooling treatment stimulates collagen production, reduces inflammation, and helps contour the jawline and neck for a smoother, firmer appearance. Package includes 4 sessions (35 min each).

4 sessions for $750 — save $250 off the regular $1,000 price
Expires October 31, 2026
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Ongoing

Refer a Friend

Love your results? Share Celtic Spa with a friend. When they book their first service, you both receive a credit toward your next visit.

$15 credit for you + $15 off for your friend
Learn More

Offers valid for new bookings only unless otherwise noted. Cannot be combined with other promotions. Contact us for details.

Ready to Book?

Claim your promotion by booking online or calling us directly. Kate will take care of the rest.

Book Your AppointmentOr call us (617) 777-0026
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