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Size 30HH Bikinis

At 30HH, you're in one of the most specialized size combinations imaginable — a small 30 band with a very full HH cup. Finding this size in any retail environment is essentially impossible, which means you've either resigned yourself to ill-fitting compromises or given up on finding swimwear altogether. A true 30HH bikini top is engineered by makers who understand that your size exists and matters: a band with the resistance to support significant cup weight, and cups with the depth, projection, and multi-seam construction that only expert makers invest in. Discovering a bikini that actually fits your real measurements changes everything.

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Save $18.25Panache Olivia Full Cup Bikini Top SW1722 Green Gingham Front
Panache
Panache Olivia Full Cup Bikini Top SW1722 - Green Gingham Sale price$54.75 Regular price$73.00
Save $39.50Panache Bette Balcony Bikini Top SW1842B Seersucker Front
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Panache Bette Balcony Bikini Top SW1842B - Seersucker Sale price$39.50 Regular price$79.00
Save $17.50Panache Ella Twist Bandeau Bikini Top SW1763 English Rose Print Front
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Panache Ella Twist Bandeau Bikini Top SW1763B - English Rose Sale price$52.50 Regular price$70.00

What to Look For in a 30HH Bikini Top

At 30HH, non-negotiable features include underwire or molded cup construction — this is not optional at your size. Look for bikini tops with multi-seam cup designs that provide shaping from multiple angles and prevent bulging or sagging. The band must be cut true to 30 inches with minimal stretch; any give will shift under the weight of your cup and compromise fit entirely. Reinforced side seaming should extend the full height of the cup, plus additional seaming at the apex for lift. Full-cup designs are your most reliable silhouette. Fabric weight is critical — avoid thin or lightweight materials that cannot support the projection and depth your cups require. Look for brands that specialize in larger cup sizes; they understand the engineering required.

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 30HH? Browse our Size 30HH Swimwear collection, or shop Size 30HH Bras for everyday lingerie in your size.

Not sure if 30HH is your correct size? Use our bikini size chart →