Siena | Sophisticated Pattern Collar Midi Dress

Siena | Sophisticated Pattern Collar Midi Dress

$199.95 $59.95 Save 70%
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More than 50,000 satisfied customers

2 items | 10% OFF, 3 items | 15% OFF

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SUMMER SALE UP TO 70% OFF!

If you can add it to bag, it's still in stock. Extra savings apply automatically at checkout — stack & save while you can.

Buy 2 pieces → Extra 10% off

Buy 3 pieces → Extra 15% off

Buy 4 pieces → Extra 20% off

Refined simplicity with effortless modern elegance.

The Siena Sophisticated Pattern Collar Midi Dress is designed for women who appreciate understated luxury and timeless style. With its graceful drape and clean silhouette, it creates an effortlessly polished look for any occasion.

Why You'll Love It

✓ Sophisticated Pattern Design — Subtle detailing that elevates everyday elegance.

✓ Fluid, Flattering Silhouette — Moves naturally for a graceful, easy feel.

✓ Comfortable Yet Polished Fit — Balances relaxation with refined style.

✓ Versatile Wardrobe Staple — Perfect for work, outings, or elevated daily wear.

✓ Timeless Appeal — A classic design that stays elegant beyond trends.


The Siena Dress blends comfort, sophistication, and versatility—making it a refined essential for effortless, everyday elegance.

US SIZE CHART 

Size Bust (in) Back Length (in) Sleeve Length (in) Shoulder (in)
S 40.16 41.34 22.83 15.75
M 41.73 41.73 23.23 16.14
L 43.31 42.13 23.62 16.54
XL 44.88 42.52 24.02 16.93
2XL 46.46 42.91 24.41 17.32
3XL 48.03 43.31 24.80 17.72
4XL 49.61 43.70 25.20 18.11
5XL 51.18 44.09 25.59 18.50

All measurements are in inches.




We offer a 100% money-back guarantee within 30 days of receiving your order. If you're not completely satisfied, simply return your item for a full refund—no questions asked.

At Bayside New York, customer satisfaction comes first. That's why we keep you constantly updated on your order and always offer free shipping with a track & trace code.

More than 50,000 customers trust Bayside New York, with an average rating of 4.8 out of 5 stars. Your satisfaction and confidence mean everything to us.

This Season Shop More, Save More.

For one day only, Bayside Circle members receive exclusive access to our biggest sale of the season.

Our most-loved styles are now available with up to 70% OFF — but only for a limited time.

Whether you're treating yourself, your daughter, your sister, or someone special, today is the perfect opportunity to save on the pieces everyone has been talking about.

Buy 2 items → Get an extra 10% OFF
Buy 3 items → Get an extra 15% OFF
Buy 4 items → Get an extra 20% OFF

These bundles are end-of-season-exclusive and live for today only once this offer ends, it won't return. And as always with Olivia… when a style sells out, it's gone for good.

Stock is limited. Today is the day.

COMBINE & SAVE EXTRA 10%

80% OFF
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Here's what our customers say

Excellent 4.8 / 5 ★★★★★
★★★★★

Perfect Fit & Luxurious Comfort

The fit is absolutely perfect, and the fabric feels incredibly soft against the skin. You can really tell it’s made with attention to detail and comfortable yet stylish. I’ve already received compliments, and I couldn’t be happier with my purchase!

Ashley Thompson
3 days ago
★★★★★

Worth Every Penny

I was hesitant to spend $200 on a dress from a boutique I hadn’t tried before, but I’m so glad I did! The quality is exceptional, and the fit is absolutely perfect. Thank you, Bayside New York.

Sarah Bennett
2 hours ago
★★★★★

Outstanding Customer Service & Care

I had a question about returns and got a reply within minutes. The team was so kind and patient they really care about their customers. My order arrived right on time and exceeded expectations!

Jessica Brown
4 days ago
★★★★★

Fast Delivery & Exquisite Packaging

Fantastic experience with Walton Sisters! My order arrived quickly, beautifully packaged, and the quality exceeded my expectations. I’ll definitely shop here again!

Ella Adams
1 day ago
★★★★★

Exceptional Quality & Beautifully Made

I’m so happy with my order from Bayside New York! The quality is amazing, and every detail feels carefully made. Great service too, Highly recommend!

Kristen Whitman
4 hours ago

COMBINE & SAVE EXTRA 10%

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Evangeline | Flowing Striped Maxi Dress
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80% OFF
Claire | Flowing Button-Front Maxi Dress
$399.95 $79.95 Save 80%
80% OFF
Cassidy | Vintage Boho V-Neck Summer Dress
$349.95 $69.95 Save 80%
80% OFF
Nora | Elegant Strapless Midi Dress
$349.95 $69.95 Save 80%
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COMBINE & SAVE EXTRA 10%

60% OFF
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Frequently ASKED QUESTIONS

Yes, we offer free premium shipping on all orders. We want to make sure your purchase arrives quickly and safely at no extra cost.

Absolutely! You can return your order within 30 days of receiving it. Items must be unworn, undamaged, and in their original condition. Simply reach out to us through our Contact Page or email us directly at support@baysidenewyork.com, and we’ll guide you through the return process.

Once your order has been processed, you will receive a confirmation email with your personal tracking number. You can then track your package anytime through our Order Tracking Page.

Each product includes a detailed size chart to help you pick the best fit. If you’re between two sizes, we recommend going one size up for extra comfort. Still unsure? Our customer support team is happy to assist you.

You can shop safely and securely with the following payment methods:

  • Credit Cards
  • Apple Pay
  • Google Pay
  • Shop Pay

Yes, your payment is 100% secure. We use industry-standard SSL encryption to protect your information and ensure a safe checkout process.

Orders are typically processed within 1–3 business days. Delivery times may vary depending on your location and seasonal demand, but you will always receive tracking updates by email.

Our customer support team is always happy to help. You can reach us through the Contact Page or by email at support@baysidenewyork.com. We usually reply within 24 hours.

FREE SHIPPING WITHIN THE U.S.

Free shipping on every order across the U.S. this week only. We’ll deliver straight to your door, safely and without extra cost.

30-DAY MONEY-BACK GUARANTEE

Shop with confidence. We offer a 30-day money-back guarantee if you’re not completely satisfied.

SECURE CHECKOUT

Enjoy a secure checkout with credit card. We want you to feel completely confident every step of the way.