Updated 2026-06-16 · Ranked by patient reviews
The best med spa in Mercer Island, WA is MIYA Aesthetics & Wellness, a 5★ medical spa with 214 verified patient reviews, known for injectables, fillers, and skin treatments. For 2026 it ranks #1 in Mercer Island, WA, ahead of SkinSpirit Bellevue and Epiphany Dermatology (formerly The Dermatology Clinic).
Mercer Island, WA has 5 top med spas ranked below for 2026, ordered by patient rating and review volume from our directory of 70 providers in Mercer Island, WA. MIYA Aesthetics & Wellness leads the list with 5★ across 214 reviews. Each entry links to a full profile with services, pricing, hours, and reviews.
5★ from 214 patient reviews — the top review profile in Mercer Island, WA.
Medical spa
4.9★ from 169 patient reviews.
Skin care clinic
| # | Med spa | Rating | Reviews | Specialties |
|---|---|---|---|---|
| 1 | MIYA Aesthetics & Wellness | 5★ | 214 | Med spa services |
| 2 | SkinSpirit Bellevue | 4.7★ | 240 | Med spa services |
| 3 | Epiphany Dermatology (formerly The Dermatology Clinic) | 4.9★ | 169 | Skin care clinic |
| 4 | Mercer Island Dermatology | 4.6★ | 215 | Skin care clinic |
| 5 | Radiant Skin Aesthetics | 4.9★ | 149 | Med spa services |
MIYA Aesthetics & Wellness ranks #1 in Mercer Island, WA by patient rating and review volume (5★, 214 reviews). See the full Top 5 above.
Botox in Mercer Island, WA typically runs $10–$25 per unit. Most of the med spas ranked here offer it alongside fillers, laser, and skin treatments.
By patient rating combined with review volume (rating × the log of review count), the same transparent formula used across No BS Med Spa Reviews. Owner-operated locations are labeled. See /how-we-rank for the full methodology.