Longitude Promo Code & Coupons

40 %
Promo code  Verified Jul 28, 2026 Our pick
Expires Aug 8, 2026  Applied 39 times
40 %
Promo code  Verified Jul 28, 2026
Expires Aug 9, 2026  Applied 92 times
Promo code  Verified Jul 28, 2026
Expires Aug 9, 2026  Applied 15 times
25 %
Expires Aug 9, 2026  Applied 53 times
$ 40
Promo code  Verified Jun 30, 2026
Expires Aug 8, 2026  Applied 37 times
20 %
Promo code  Verified Jul 28, 2026
Expires Aug 9, 2026  Applied 61 times
20 %
Promo code  Verified Jul 28, 2026
Expires Aug 9, 2026  Applied 15 times
$ 50
Expires Aug 9, 2026  Applied 41 times
40 %
Promo code  Verified Jul 28, 2026
Expires Aug 9, 2026  Applied 14 times
20 %
Promo code  Verified Jul 28, 2026
Expires Aug 9, 2026  Applied 17 times
25 %
Promo code  Verified Jul 28, 2026
Expires Aug 9, 2026  Applied 50 times
$ 40
Expires Aug 9, 2026  Applied 383 times
15 %
Expires Aug 9, 2026  Applied 44 times
25 %
Promo code  Verified Jul 28, 2026
Expires Aug 9, 2026  Applied 28 times
$ 40
Expires Aug 8, 2026 
10 %
Promo code  Verified Jul 28, 2026
Expires Aug 9, 2026 
20 %
Expires Aug 9, 2026 
25 %
Expires Aug 9, 2026 
dog

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Expired, but try! The codes might work
$ 50
The Special Offer is expired  Applied 16 times
25 %
The Special Offer is expired  Applied 11 times
25 %
The Special Offer is expired  Applied 61 times
20 %
The Special Offer is expired 

When is the best time to buy at Longitude?

The number of active promo codes by month

0
2
4
6
8
10+
Jan 24
Feb 26
Mar 28
Apr 36
May 33
Jun 52
Jul 72
Aug 26
Sep 27
Oct 23
Nov 21
Dec 21
Promo frequency: Frequent
~
6
new promo codes per month
Promo availability: Highest
21
active promo codes available

How to use a coupon code on Longitude?

  1. Go to longitudeswim.com

    Go to longitudeswim.com.


  2. Choose an item

    Fill the shopping cart with one-pieces, high-necks, swim dresses, Bandeaus, and more swimwear.


  3. Add to cart

    Click on the shopping bag icon in the top-right corner of the page. View the items added to the shopping cart and proceed to checkout.


  4. Apply discount code

    Paste the saved promo code in the “Discount code” box and press “Apply”.



    How to use Longitude promo code


Why You Can Trust Our Deals

At DiscountReactor, we combine smart AI tools and careful editorial work to show you only accurate "up-to-date" and truly useful offers. AI helps us quickly filter and pre-test coupons, while editors manually check the results, adjust the reliability rating based on confirmed validity and keep the pages clean without unnecessary “noise.”

We monitor stores daily, conduct regular manual content reviews, update or remove any problematic coupons within 24 hours on business days. We clearly mark coupons as "Verified", "Expired" or "Editor's Choice" work with partner stores on content accuracy, and always put your interests first by showing only fresh and working offers without unnecessary clutter. Rankings are based on popularity, coupon validity and user interest.
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