Maggie Brown in O Magazine

Photo: Andrew Eccles

If You're Plus-Sized...

"Basically, I want it all," says Maggie Brown, 28, a dental assistant. "A suit needs to be sexy but practical: sturdy straps, a good bra, and coverage for my backside." She loves this swimdress (Carol Wior, originally $110, now $49 with code OPRAH; because it emphasizes her cleavage while concealing her thighs (typically, she buys a separate sarong to match). To complement her curves, Brown gravitates toward one-pieces—"usually solids with some interesting detail." Check, check, and check.

Wedges, Zodiac USA.
Tommy Hilfiger racerback swimwear set

Photo: Andrew Eccles

The combination of lighter colors on top and a dark skirt makes for a highly flattering racerback set.

Tommy Hilfiger Swimwear, top, $75, bottom, $63;
Gottex faux-wrap one-piece swimsuit

Photo: Andrew Eccles

The faux- wrap front, draped across the midsection, tapers the waist.

Gottex, $178;
Athena two-piece ruched swimsuit

Photo: Andrew Eccles

A beautifully ruched top and skirted briefs take full advantage of curves.

Athena, top, $61, bottom, $59;
Spanx one-piece swimsuit

Photo: Andrew Eccles

Vertical details trace a slenderizing line down your figure; shapewear fabric keeps everything smooth.

Spanx, $198;
Old Navy two-piece swimsuit

Photo: Andrew Eccles

Sporty and sweet: A floral halter top pairs smartly with dark, side-tie briefs.

Old Navy, top, $37, bottom, $20;