Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Thalassa - Sparkly Floor Length Party Dress
Trustpilot rating

4.7/5.0 (3587+ reviews)

Thalassa - Sparkly Floor Length Party Dress

$349.95 USD $54.95 USD
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30 days money-back guarantee

Only 3 in stock
Height
Size
UPDATE: Due to high demand during our Closure Sale, only 6 units are still available at the current price!

SHINE BRIGHT AND FEEL BEAUTIFUL ALL NIGHT

At Sophie’s Boutique Hamptons, we believe every woman deserves a dress that makes her feel radiant—and the Thalassa - Sparkly Floor Length Party Dress is made to do just that. Designed with love and a little bit of sparkle, this stunning gown flows beautifully and catches the light in all the right ways. Whether you're headed to a wedding, a holiday party, or a magical night out, this dress is sure to make you feel like the star of the evening.

  • Sparkling Finish – Dazzling shimmer that catches the light for a show-stopping look.

  • Flattering Floor-Length Fit – Graceful and elegant, designed to elongate your silhouette.

  • Soft, Comfortable Fabric – Smooth on the skin and breathable, perfect for all-night wear.

  • Perfect for Special Occasions – Ideal for weddings, galas, parties, and any moment worth celebrating.

Size chart (IN):

Size Bust  Waist  Hip  Dress Length 
XS 32.28 25.59 37.40 40.94
S 33.86 27.56 39.37 41.34
M 36.22 29.53 41.34 41.73
L 37.80 31.50 43.31 42.13
XL 40.16 33.46 45.28 42.52
2XL 41.73 35.43 47.24 42.91


Don’t wait—our stock is almost gone! Add Thalassa to your collection today and enjoy free shipping with love from our family to yours. 

Free shipping for American Customers.Because we want to keep your costs as low as possible, we offer free shipping for all our products for all our American customers.

We also invest heavily on environmentally friendly shipping options to make the world a better place.

Not satisfied? Money back!

We stand 100% behind our products, which is why we offer a satisfaction guarantee: once you have received the product, you can easily return it.

24/7 customer service

We help you make the right choice. Our customer service team is available 24/7 to answer all your questions and concerns by e-mail.

our final goodbye

A Grateful Goodbye

Over 25 years ago, we opened Sarah & Oliver New York with a dream: to share timeless style and true craftsmanship. What followed was more than a store — it became a community.

As we now step into retirement, we do so with full hearts. Thank you for the stories, the smiles, and for making this journey unforgettable.

With love,

Sarah & Oliver

New York

FAQs

Yes, within the United States you can track your order. Once your order is shipped, you will receive a tracking number via email. You can use this number to check the status of your delivery on our website or the carrier’s website.

If you need to return or exchange an item, please contact our customer support team. They will guide you through our easy and hassle-free return process. Make sure to have your order number and details ready for a smoother experience.
NOTE: Within the United States we offer a 30-day money back guarantee!

Absolutely! We pride ourselves on offering only high-quality products. Each item undergoes rigorous quality checks to ensure it meets our standards before being made available to you.

To find the right size, refer to our comprehensive size guide available on each product page. The guide includes detailed measurements and tips to help you choose the best fit. If you’re still unsure, our customer support team is here to assist you.

Yes, your payments are secure. We use industry-leading encryption and security measures to protect your personal and payment information during the transaction process.

LOVED BY CUSTOMERS ACROSS THE US

Excellent

4.8

/ 5

based on 7428 reviews

''My order arrived really fast, much faster than I expected! The dress fit perfectly and I wore it to an event the same weekend. Very happy with the service." ''My order arrived really fast, much faster than I expected! The dress fit perfectly and I wore it to an event the same weekend. Very happy with the service." ''My order arrived really fast, much faster than I expected! The dress fit perfectly and I wore it to an event the same weekend. Very happy with the service."

Laura P - Seatle, WA

"The summer dress I bought is so flattering and lightweight. Perfect for the hot weather here. I’ve already gotten compliments every time I wear it." "The summer dress I bought is so flattering and lightweight. Perfect for the hot weather here. I’ve already gotten compliments every time I wear it." "The summer dress I bought is so flattering and lightweight. Perfect for the hot weather here. I’ve already gotten compliments every time I wear it."

Keisha T - Richmond, VA

"I accidentally ordered the wrong size shoes and the customer service team was amazing in helping me fix it quickly.... "I accidentally ordered the wrong size shoes and the customer service team was amazing in helping me fix it quickly.... "I accidentally ordered the wrong size shoes and the customer service team was amazing in helping me fix it quickly....

Tina W - Chicago, Illinois

"The quality of the shirt I ordered is much better than I thought it would be. Soft, well-stitched, and holds up nicely after washing. Will order again!" "The quality of the shirt I ordered is much better than I thought it would be. Soft, well-stitched, and holds up nicely after washing. Will order again!" "The quality of the shirt I ordered is much better than I thought it would be. Soft, well-stitched, and holds up nicely after washing. Will order again!"

Melissa L - Dallas, Texas

"Super comfortable sandals! I can wear them all day without discomfort. The fit was true to size and the design is really cute." "Super comfortable sandals! I can wear them all day without discomfort. The fit was true to size and the design is really cute." "Super comfortable sandals! I can wear them all day without discomfort. The fit was true to size and the design is really cute."

Hannah L - Phoenix, Arizona

"I bought two casual tops and I’m impressed with how versatile they are. I can dress them up for work or wear them casually with jeans. Great buy!" "I bought two casual tops and I’m impressed with how versatile they are. I can dress them up for work or wear them casually with jeans. Great buy!" "I bought two casual tops and I’m impressed with how versatile they are. I can dress them up for work or wear them casually with jeans. Great buy!"

Rebecca M - Oak Ridge, TN

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