AboutAbout Southern Marin Dermatology
Southern Marin Dermatology is a trusted dermatology practice nestled in Sausalito, offering expert medical, surgical, and cosmetic dermatology care for patients of all ages throughout Marin County.
Our provider team includes:
• Dr. Ashley Smith, Board-Certified Dermatologist
• Dr. Ashley Decker, Board-Certified Dermatologist and Mohs Surgeon
• Dr. Suzanne Westphal, Board-Certified Dermatologist
• Stephanie Cullinane, PA-C
• Elisabeth Novak, DMSc, PA-C
• Julia Parker, MPAS, PA-C
With advanced clinical training, personalized care, and a patient-first approach, our team is dedicated to helping every patient look and feel their best—whether through preventive skin checks, advanced treatments, or aesthetic enhancements.
What patients mention most
From Google's review topics across 108 reviews.
Beautiful office
10 reviews Cosmetic surgery
9 reviews Thorough explanations
5 reviews Experienced staff
5 reviews Attention to detail
5 reviews Practice Overview
Location2330 Marinship Wy #370, Sausalito, CA 94965 ·
View map Business typeDermatologist · Medical spa · Skin care clinic
Treatments offeredAcne Scar Treatment at a Med Spa, Body contouring, Botox, Chemical peels, Clear + Brilliant Laser, CO2 laser, CoolSculpting, Cryotherapy at a Spa, Daxxify, Dermal fillers +29 more
PaymentCredit cards · Debit cards · Apple Pay / Google Pay
Treatment Prices
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Meet the Team
SC
Stephanie CullinanePA-CNames and credentials as listed on southernmarinderm.com.
Treatment menuTreatments & Specialties
Devices named on their site
Clear + Brilliant
CoolSculpting
Cutera excel V
Emsculpt
Fraxel
Sofwave
Ultherapy
Amenities & Accessibility
From the business
Women-ownedService options
On-site servicesAccessibility
Wheelchair-accessible entranceAccessible parkingAccessible restroomAmenities
RestroomPlanning
Appointments requiredAppointments recommendedPayments
Credit cardsDebit cardsApple Pay / Google PayPatient reviewsWhat Patients Say
Location & hoursFind the Practice
Frequently asked questionsBefore You Book
Who does the treatments at Southern Marin Dermatology?
Their website names Ashley Smith (MD), Ashley Decker (MD), Julia Parker (MPAS, PA-C), Stephanie Cullinane (PA-C), and 2 more.
What treatments does Southern Marin Dermatology offer?
Acne Scar Treatment at a Med Spa, Body contouring, Botox, Chemical peels, Clear + Brilliant Laser, CO2 laser, CoolSculpting, Cryotherapy at a Spa, and 31 more, based on their Google profile and website.
Is Southern Marin Dermatology good?
It has a 4.7 rating from 108 Google reviews, and 99 of them are 5 stars.
Where is Southern Marin Dermatology located?
2330 Marinship Wy #370, Sausalito, CA 94965.
Where this information comes from: the practice's Google Business Profile (rating, hours, categories, amenities), southernmarinderm.com (prices, team, devices, photos) and Google review topics. Last checked October 2026. This listing has not been claimed or verified by the practice.
