yellow beach wedding guest dress
Shop the Look: Nellie Light Yellow Pleated Maxi Dress and Scarf Set

When you picture a beach dress code, your mind might immediately go to sundresses, swimwear, or something tropical. But lately, another term has been showing up on wedding invites, party RSVPs, and even event dress codes: beach formal attire. So what is beach formal attire, really? Let’s break it down.

summer black tie optional dress
Shop the Look: Marlesa Royal Blue Cowl Back Maxi Dress

Beach formal is where laid-back meets luxe. It blends the polish of traditional formalwear with the practicality (and breeze) of a beach setting. While it’s not as strict as black tie, it’s definitely a step up from casual or resort wear. Reddit users describe it as “floor length or long, fun print, maybe a thigh slit, [and] fun accessories”—and honestly, we couldn’t agree more. Think: elegant, breathable, and ready for a sunset ceremony.

Beach Formal Explained

beach formal wedding guest dress
Shop the Look: Lynwen Blue Abstract Pleated Strapless Maxi Dress

Beach formal is a fairly modern dress code, typically seen at weddings and upscale outdoor events. For men, it often means linen trousers or a light suit—ties optional. For women, the range is wider, but the goal is the same: to look elevated, not overdressed.

The ideal beach formal outfit includes:

  • Maxi dresses or cocktail dresses in breathable fabrics like chiffon, linen, cotton, or satin

  • Elevated silhouettes: halters, one-shoulders, strapless styles, and strategic cutouts

  • A balance of polish and practicality (leave the heavier fabrics like sequins and velvet at home)

Beach Formal Shoes and Accessories

white ankle strap heels
Shop the Look: Harper White Ankle Strap Heels 

Here’s the truth: stilettos and sand don’t mix. Instead, go for wedges, block heels, or chic flat sandals. Raffia, jute, metallic finishes, and subtle beading add the right amount of polish without feeling out of place. If the event is fully on the sand, embellished flat sandals or dressy slides are completely appropriate.

gold beach wedding earrings
Shop the Look: Eviana Gold Leaf Drop Earrings

Since beach formal attire leans more relaxed, your accessories should be breezy but intentional. Pearl or gold jewelry, a woven or neutral clutch, and maybe a sunhat for daytime ceremonies all fit the vibe. Sunglasses? Totally fine—just tuck them away when it’s time for photos.

Beach Formal Dresses

beach wedding guest dresss
Shop the Look: Aminah Blue Multi Floral Pleated Halter Midi Dress

Beach formal attire is about looking effortlessly pulled together while respecting the natural setting and feeling comfortable enough to enjoy it. When in doubt, elevate a lightweight dress with the right shoes and jewelry. Keep things refined, breathable, and event-appropriate–and let these shoppable picks inspire your outfit choice!

Satin Halter Mini Dress

summer wedding guest dress cocktail
Shop the Look: Beyond Classy Pink Multi Abstract Print Satin Halter Midi Dress 

The midi hem, thigh slit, and lightweight satin fabric make this dress a great choice for beach formal wedding guest attire, and the fun sunset colors will look right at home in a tropical landscape.

Chiffon Pleated Ruffled Maxi Dress

pink pleated ruffled maxi dress
Shop the Look: Brylee Light Pink Pleated Ruffled Maxi Dress

The pleated fabric gives this dress great movement! A strapless neckline gives you plenty of real estate for a delicate necklace or drop earrings for playful contrast. 

Satin One-Shoulder Dress

chartreuse satin one shoulder maxi dress
Shop the Look: Goddess Aura Chartreuse Satin One-Shoulder Maxi Dress 

Formal dresses don’t have to be frilly or fussy! Clean lines + saturated color = major beach goddess energy. Plus, the bright green color looks great against the blue of the ocean and sky!

Mesh Twist-Front Maxi Dress

blue destination wedding guest dress
Shop the Look: Frona Light Blue Mesh Backless Maxi Dress

Details like a twist front and open back give this floral dress a playful twist on formal. The light blue mesh fabric is equal parts summery and elegant–perfect for a beach formal affair.

Satin One-Shoulder Midi Dress

beach formal dress
Shop the Look: Reglan Lime Satin One-Shoulder Sash Midi Dress

This lime dress has a lovely shimmer and dramatic sash detail that moves beautifully in the ocean breeze. Pair it with metallic extras  for a look that really shines!

Plisse Maxi Dress

beach formal wedding guest dress
Shop the Look: Luala Turquoise Multi Print Plisse Backless Maxi Dress

Equal parts laid-back and elegant, a relaxed plisse maxi in punchy hues and a tropical print nails the dressy-meets-beachy vibe of a beach formal affair. Pair with polished gold extras for added glam.

Floral Burnout Maxi Dress

burnout ruffled maxi dress
Shop the Look: Narelle Navy Floral Burnout Ruffled Maxi Dress

One of the keys to formal beach attire? Take inspo from your surroundings, in a refined way. In cool blue and subtle floral, a ruffled burnout gown gets the job done.

What formal dress would you wear to the beach? Show us on Instagram or TikTok @Lulus using #Lulus, and check out our Beach Wedding Guest Dress Shop for more inspiration!

This blog was originally published in June 2025 and has been updated with new content.