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The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
  • The Riviera Midi
The Riviera Midi

The Riviera Midi

Color.
Size.

The Margaux Midi

The dress you'll reach for all summer — and wonder how you ever managed without.

Some dresses you wear. This one you live in. From the moment it slips over your shoulders, the Margaux does the quiet work of making you feel pulled-together — the sleek halter neckline lifting your collarbone and frame, the straight, fluid cut falling away from the body so nothing pinches, nothing clings, nothing fusses. Vertical lace panels run the length of the front, drawing the eye upward for a longer, leaner line, while a discreet side slit lets you move with ease.

It's the dress that earns the "where is that from?" at the garden lunch. The one you pack first for holiday. Flat sandals and a straw tote by day, a heel and a touch of gold by evening — the Margaux shifts with you and never misses.

One dress. Every occasion. Season after season.

  • Material: 100% polyester — light, airy, and virtually wrinkle-free, so it looks just as good at dinner as it did at breakfast, even on the warmest days
  • Fit: Straight, fluid silhouette that skims rather than clings — quietly forgiving in all the right places
  • Neckline: Refined halter that frames the shoulders and décolleté beautifully, finished with a discreet back closure
  • Details: Vertical lace panels for a longer, leaner line, plus a subtle side slit for effortless movement
  • Length: Midi — falling just below the calf for a look that's always graceful, never trying too hard

A quiet favourite among women who know what they like — and reach for it again and again.
Free premium shipping

We ship using a secure premium shipping method, including tracking, so you can rely on the most reliable service. Currently, we offer this premium shipping for free, take advantage of this offer while it's available!
30 day money back guarantee

Doesn't fit? No problem! You can exchange or return it anytime, with a 30-day return policy.

HERE'S WHAT OUR CUSTOMERS SAY

More than 3728+ reviews

Absolutely love the quality and attention to detail. Maison Mia has quickly become my favorite online boutique.

Sophie Laurent

3 hours ago

My order arrived faster than expected and everything looked exactly like the photos. Beautiful experience from start to finish.

Charlotte Bennet

1 day ago

The customer service was amazing and incredibly helpful. You can really feel the personal touch behind this brand.

Olivia C.

4 days ago

The pieces feel premium, comfortable, and timeless. I've already received so many compliments from friends and family.

Emma R

9 days ago

You can tell Mia truly cares about her customers. Shopping at Maison Mia feels more personal than any big fashion retailer, and the quality exceeded my expectations.

Harper Mitchell

2 weeks ago

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Welcome to Maison Mia

Hi, I'm Mia Beaumont, founder of Maison Mia.

What started as a passion for timeless fashion became a boutique dedicated to helping women feel confident, elegant, and comfortable every day.

Every item in our collection is carefully selected to combine style, quality, and versatility — because fashion should never feel complicated.

At Maison Mia, you'll find pieces designed to elevate your everyday wardrobe and help you feel your best, season after season.

Thank you for being here and supporting our growing community.

With love,

Mia Beaumont

Frequently Asked Questions
Do you offer free shipping?

Yes! We offer free shipping on all orders — no minimum spend required. Every Maison Mia order is delivered straight to your door, completely on us. 🎉
How can I track my order?

Once your order has been shipped, you'll receive a shipping confirmation email with your tracking number and a direct link to follow your package. You can also visit our Track Order page and enter your order number to get real-time updates on your delivery status.
What payment methods do you accept?

We accept all major payment methods including Visa, Mastercard, American Express and Apple Pay. All transactions are processed securely so you can shop with complete confidence.
Will I receive a confirmation email after placing an order?

Absolutely! As soon as your order is placed, you'll receive an order confirmation email with your order details and summary. Once your order ships, a second email with your tracking information will be sent to you. Be sure to check your spam folder if you don't see it within a few minutes.

Free Shipping

We offer Free Shipping for maximum customer comfort. Your satisfaction is important to us, which is why we offer smooth and free delivery.

30-Day Return Guarantee

Your satisfaction is our focus. Our 30-day return policy guarantees you maximum flexibility and the best shopping experience.

100% Secure Payments

We offer you a variety of secure payment options. Pay easily and enjoy a safe shopping experience.