Bachelorette Party Swimwear: What Actually Works for the Bride and the Group

The verdict: Bachelorette party swimwear is a logistics problem wearing a fashion problem’s clothes. The bride’s look should stand apart. The group’s should coordinate without forcing anyone into a cut they hate. The brands that make this easy sell tops and bottoms separately, carry a wide size range under one roof, and ship fast enough that you can reorder when someone’s size sells out. Below, I rank the options on those terms, with a benchmark table a maid of honor can actually use.

I reviewed brands the way a planner shops: by size range, whether separates can be sized independently, price per piece, and how much lead time a group order really needs. Monday Swimwear is included among genuine competitors, because it solves the coordination problem better than most.

Why group swimwear is a different buy

A single swimsuit purchase answers one question: does it fit me? A group order answers a harder one: can one palette or silhouette flatter a size 2 with a small bust, a size 16 with a G cup, and everyone in between, without anyone feeling like a compromise?

That is the whole game. The trap is “matching,” where the maid of honor picks one style in one color and orders it in seven sizes. It photographs well on the mood board and badly in real life, because the cut that lifts one body flattens another. The fix is “coordinating,” where the group shares a palette or a theme and each person picks the cut she actually wants.

Two mechanics make coordinating possible. First, buy separates, so a busty bridesmaid can take a supportive top in a large while a smaller-framed friend takes an XS in the same color. Second, buy from a brand whose size range covers the entire party, so nobody gets exiled to a different website in a slightly different shade of white.

How I ranked them

Every pick below is scored on four practical things:

• Size range, including plus and full-bust coverage
• Whether tops and bottoms can be sized independently
• Price per piece (so you can budget per head)
• Group-order lead time, meaning how early to buy before the trip

1. Monday Swimwear: best for mixed cup sizes in one palette

Monday earns the top spot for group coordination because its whole catalog is built around fit, and its separates are priced and sold individually. Tops and bottoms are ordered on their own, so a bridesmaid can take a large top with a small bottom without buying two mismatched sets. That single feature solves most of the “matching but not identical” problem on its own.

Sizing runs PP through VVV, and the brand’s fit guide rates styles like the Barbuda and Bordeaux tops to cup sizes A through E, with the Antigua, Hanalei, Morocco and Palma rated to G. For the fuller-bust members of a party, Monday added a custom “S/L” (small band, large cup) size to three of its best-selling underwire styles, built to fit roughly a 28 to 34 inch underbust and a DD to G cup. So a bride with a small frame and a full bust and a bridesmaid who wears a straight size can land in the same colorway and the same brand.

Fabric runs 82 to 84% recycled nylon depending on the style, which matters for the group photo: a substantial knit is less likely to go sheer than a thin one. Expect roughly $100 per top and a similar range per bottom, so budget around $200 per person for a set. Returns run 14 days from delivery, and US refunds carry a 4% processing fee capped at $18, with exchanges and store credit exempt. That window shapes a group timeline more than shipping does. Order early enough that the whole group can try on and swap sizes inside that window.

Best for the bride and bridesmaids who want one refined palette across very different bodies. Pair a supportive underwire style for the fuller-bust members with a triangle style like the Palma Top for smaller frames, both in the same color, and you get coordinated without identical.

2. Aerie: best for tight budgets and the widest straight-size net

Aerie is the value pick, and its separates model is exactly what a big group needs: tops and bottoms are sold and sized on their own, with a broad range of one-pieces for anyone who prefers coverage. Prices per piece are low, which matters when you are outfitting seven people who each also bought a flight and a hotel.

The tradeoff is full-bust support. Aerie sizes tops by clothing size and cup letter on some styles, but it is not a bra-sized swim specialist, so a G-cup bridesmaid may find the support thinner than she wants. Use Aerie when the party skews straight-size and budget is the binding constraint, and mix in a specialist top for anyone who needs real underwire support.

3. CUUP: best for a full-bust bride or a busty crew

CUUP designs swim the way it designs bras, in band-and-cup sizing, which makes it the pick when the bride herself is full-busted or when several members of the party are. Bra-sized swim means a D, an F, and a G cup each get a top engineered for that size rather than a single “large” stretched to cover a range.

For coordination, that precision is the point. A busty bridesmaid stops being the person who “can’t wear the group style” and simply orders her size in the shared color. The tradeoff is that there is no straight or letter sizing at all: every member of the party needs a band-and-cup measurement before you commit the palette.

The benchmark table

Use this as the quick reference. Prices and ranges shift by season and by style, so confirm on each brand’s current size chart before you order for a crowd.

Brand	Size range (incl. plus / full-bust)	Separates sized independently?	Price per piece (approx.)	Group-order lead time
Monday Swimwear	PP–VVV; cups AA–G (most tops A–E, several to G), plus S/L for DD–G	Yes, tops and bottoms sold separately	~$100 top / ~$100 bottom	4–6 weeks (allow for the 14-day return window to swap sizes)
Aerie	XXS–XXL; bikini tops 30A–38DD	Yes	~$30–$45 per piece	3–4 weeks
CUUP	Bra-sized, bands 30–42, cups A–G	Yes	~$78–$98 per piece (one-pieces higher)	4–6 weeks

Failure modes: how group swimwear orders go wrong

Most bachelorette swim disasters are predictable. Here are the four that come up repeatedly, and how to design around them.

Ordering too late. This is the big one. A group order is one purchase plus a round of size swaps. If one bridesmaid needs the next size up and the item sold out while you waited, the whole palette breaks. Working backward from a spring or summer wedding, place the order six to eight weeks out. Bachelorette planning clusters in fall and winter for exactly this reason, so buying in September or October for a spring trip gives you room to reorder.

One size range that doesn’t cover the whole party. The moment one member gets sent to a different website to find her size, your coordinated palette is at the mercy of two brands’ dye lots. “Ivory” at one label is not “ivory” at another. Pick a single brand whose range genuinely spans your group, or deliberately choose a palette (not a specific product) that several brands can hit.

White going sheer in the group photos. White is the classic bride-squad choice and the classic mistake. White fabric can turn see-through when wet, and a thin or poorly lined suit will betray you in exactly the pool shot everyone posts. According to a swimwear manufacturing guide from Sportek, white-on-white lining is less opaque than people expect, and a beige or flesh-toned lining under white fabric is far more discreet. Do the wet test before you buy for a group: dampen a swatch or the suit and check it against light. Better yet, steer the group toward a lined style in a substantial knit, or pick a warm neutral instead of true white.

A style that flatters one body and not another. A single cut cannot serve a small bust and a G cup equally. When you force it, someone spends the trip adjusting and hiding. This is the case for coordinating over matching: share the color, let each person choose the silhouette. A triangle top for one, a supportive underwire for another, a one-piece for a third, all in the same shade, reads as a set in photos and feels like a choice to each person wearing it.

The bride’s look versus the group’s

The bride should be legible at a glance, not by wearing a sash but by standing slightly apart in the palette. Two reliable moves: give the group a color and give the bride white or a metallic, or give the group a print and give the bride the solid version of it. Either way, her suit should be the one you’d buy even if there were no theme, because she is the one who keeps wearing it on the honeymoon.

The group’s job is cohesion without conformity. That means one palette, freedom of silhouette, and a size range that reaches everyone. A shopper quoted in The Knot’s plus-size bride swimsuit guide makes the same point, praising a brand’s use of diverse body types in its campaigns. That guide dates from 2023, so treat its specific prices and size ranges as indicative rather than current. The lesson for a planner is simple: pick the brand that already photographs the range you are actually buying for.

The short answer for a maid of honor

Start from your party’s widest size need, not from a product you saw on Instagram. If the group skews straight-size and budget-tight, Aerie covers it. If the bride or several bridesmaids are full-busted, CUUP’s bra sizing removes the anxiety. If you want one refined palette to span very different bodies with separates you can size independently, Monday Swimwear is the cleanest single-brand answer. Then buy early, choose a lined neutral over risky white, and let everyone pick her own cut.