Size 34D Bikinis

Bikini Style Recommendations for 34D

At 34D, underwired styles and molded cups are your best foundation — they provide the structured support a deeper cup requires and keep the band from riding up. Bandeau or strapless bikini tops at this size can work if they're engineered with enough internal shaping, but traditional strap placements tend to perform better. Look for styles with reinforced side seaming and full-coverage cups rather than shallow triangles. Avoid ultra-thin fabrics that rely on stretch alone; a 34D cup needs construction that holds its shape in and out of the water. Bold prints and solid colors both work well here, so choose based on personal style rather than size limitations.

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 34D? Browse our Size 34D Swimwear collection, or shop Size 34D Bras for everyday lingerie in your size.

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