Swimsuit shopping doesn't have to feel like navigating a minefield. Yet every summer, countless women find themselves frustrated in dressing rooms, wondering why nothing fits right or looks the way they imagined. The truth is, most of these disappointments stem from seven common mistakes that are completely avoidable.
Understanding these pitfalls: and learning the smarter strategies that coastal girls have mastered: can transform your entire swimwear experience from stressful to successful.
Mistake #1: Obsessing Over the Size on the Tag
The biggest trap in swimwear shopping is getting hung up on that little tag. Swimsuit sizing varies dramatically between brands, with the same person potentially wearing a large in one brand and a small in another. The number on the tag has nothing to do with your body: it's simply the manufacturer's arbitrary measurement system.
Buying a bigger size won't conceal problem areas, and buying smaller won't make you look slimmer. In fact, the wrong size creates the opposite effect with awkward bunching, unflattering bulges, and uncomfortable wedgies.
How coastal girls do it right: They ignore the tag completely and try on multiple sizes without thinking about what the number "means." They focus solely on how the suit actually fits their body, choosing the size that provides the most comfortable and flattering fit regardless of the label.
Mistake #2: Buying Bikini Tops and Bottoms as a Set
Very few women are exactly the same size on top as they are on bottom. Those with larger chests and smaller hips, or curvy thighs with smaller busts, need the flexibility to mix and match different sizes. Buying pre-matched bikini sets is particularly problematic for women with hourglass, pear, or triangular body shapes.
The assumption that you should be one universal size leads to compromise fits where one piece fits perfectly while the other is too loose or too tight.
How coastal girls do it right: They purchase tops and bottoms separately, trying various size combinations to find what fits each part of their body perfectly. This approach ensures both pieces provide optimal comfort and support.

Mistake #3: Skipping Proper Bust Support
When swimwear gets wet, it absorbs water and becomes heavy. This added weight can cause tops without adequate support to shift, sag, or require constant adjusting throughout the day. This issue becomes especially pronounced for women with larger bust sizes, but affects everyone to some degree.
Many women choose styles based purely on aesthetics without considering whether the design will provide the support they need for all-day comfort.
How coastal girls do it right: They prioritize swimwear with built-in support features like underwire, wide straps, or structured cups. They look for designs with power mesh panels or double-layered lining that smooth and shape without compromising comfort. Check out our swimsuit collection for styles that combine fashion with function.
Mistake #4: Ignoring What You'll Actually Be Doing
A delicate string bikini perfect for sunbathing becomes a wardrobe malfunction waiting to happen during water sports or beach volleyball. Different activities demand different levels of coverage and security, yet many women shop for swimwear without considering their actual plans.
That Instagram-worthy triangle top loses all appeal the moment you try to dive into the waves or chase a frisbee down the beach.
How coastal girls do it right: They think through their actual activities before selecting a suit. For lounging poolside, they have more flexibility in style. For active water activities, they choose supportive designs or athletic cuts that won't slip during movement. They often have multiple suits for different occasions rather than trying to find one do-it-all option.
Mistake #5: Settling for Cheap, Low-Quality Fabrics
Swimsuits endure harsh conditions including salt water, chlorine, and intense sun exposure. Poor-quality materials quickly deteriorate under these conditions, losing their shape, color, and support after just a few wears.
Thin or unstructured fabrics can become see-through when wet, creating embarrassing situations. The money saved on cheap swimwear often gets spent multiple times over replacing suits that don't last.
How coastal girls do it right: They invest in high-quality swimwear made from durable materials like polyester blends or spandex that maintain their shape and opacity. They look for pieces with proper lining, structure, and supportive stretch. For frequent pool swimmers, they specifically seek out chlorine-resistant collections that won't fade or deteriorate.

Mistake #6: Not Considering Your Body Shape
Your unique body shape determines which styles will flatter you most, yet many women keep buying the same cuts year after year without considering whether they actually work with their figure. What looked great at 20 might not be the most flattering choice at 30 or 40 as bodies naturally change.
Low-rise hipster bottoms might dig in at the hips and offer no midsection support. Bandeau tops might not provide adequate coverage for larger busts. Triangle tops might not offer enough support for active lifestyles.
How coastal girls do it right: They choose styles that enhance the areas they want to highlight and provide coverage where they want it. They understand that high-waisted bottoms can create a smooth, sculpted silhouette, while supportive halter tops can provide both lift and comfort. They're willing to try new styles as their bodies and preferences evolve.
Mistake #7: Only Trying On Suits In-Store
Swimsuit shopping in a store dressing room creates unnecessary pressure and limits your options to whatever happens to be in stock. Fluorescent lighting, time constraints, and the general awkwardness of trying on swimwear in public spaces prevent you from making the best decision.
Store selection is also limited: you're stuck with whatever sizes and styles that particular location carries, which might not include your ideal options.
How coastal girls do it right: They take advantage of online shopping and generous return policies to try suits at home. This approach allows them to:
- Try suits on in natural lighting
- Take time to move around and test the fit
- Mix and match with their existing beach accessories
- Order multiple sizes to compare
- Access a much wider selection than any single store carries
They view online ordering with returns as an extended fitting room that gives them more options and less pressure.
The Bottom Line
Successful swimwear shopping comes down to understanding your body, your lifestyle, and your actual needs rather than chasing trends or settling for whatever's convenient. The coastal girl approach prioritizes fit, function, and quality over flash and fast fashion.
Remember that the perfect swimsuit should make you feel confident and comfortable, not constantly worried about adjustments or malfunctions. When you avoid these seven common mistakes and adopt smarter shopping strategies, you'll find swimwear that actually works for your body and your life.
Take time to assess your current swimwear collection. Are you making any of these mistakes? Consider browsing our new arrivals with fresh eyes, applying these coastal girl principles to find pieces that truly work for you.
Your future beach-ready self will thank you for taking the time to shop smarter rather than harder.