Size 34G Bikinis

A 34G sits squarely in specialist territory — a mid-range band paired with a very full cup that most mainstream swimwear brands simply don't engineer for. Every style here is chosen for its ability to provide real encapsulation, lift, and all-day stability, so you can actually enjoy the water instead of managing your top.

Common Fit Mistakes at Size 34G

One of the most common mistakes at 34G is sizing up in the band to find more cup volume — which leaves you with a band that's too loose to anchor the top properly and a cup that still doesn't fit the shape correctly. Cup-sized bikinis solve this at your actual measurements. Another frequent issue is choosing triangle or bralette styles that look great on the hanger but offer zero projection or lift at this cup volume — the fabric simply can't contain a full 34G bust without underwire and structured seaming. Watch out for tops that fit at the center but gap at the sides: this usually means the cup is cut too shallow, and no amount of strap adjustment will fix a geometry problem. Finally, avoid relying on padding for shape — at 34G, you don't need added volume, you need a cup that's shaped to match yours.

Cup-Sized Bikinis, Curated by Fit Experts

At The Bra Diva, we carry bikinis the same way we carry bras — by actual bra size, not just by small, medium, or large. Every style in this collection is selected for its construction quality, true-to-size fit, and ability to hold up in and out of the water. Our team has been fitting customers since 1987 at our Cherry Hill, NJ boutique, and we bring that same expertise to every size we carry online.

Shopping for more styles in size 34G? Browse our Size 34G Swimwear collection, or shop Size 34G Bras for everyday lingerie in your size.

Not sure if 34G is your correct size? Use our bikini size chart →