It is officially swimsuit season and that means it’s time to find the best bikinis for big busts! For the last few months I have been looking high and low for the best plus size two piece swimsuit options from Amazon to share with y’all. I’ve tried many Amazon bikinis that looked fun, but ended in total disaster when trying them on. On the flip side, I’ve tried some plus size bikinis from Amazon that I didn’t have super high hopes for that ended up being must haves for my summer. The moral of the story is that I have been doing the Amazon swimsuit trial and error so you don’t have to mess with it.

I’ve compiled a list of my favorite Amazon bikinis below and they range in color, style and price point. Hopefully with this post you can find your perfect mid or plus size Amazon bikinis for the summer! You can also check out my Amazon storefront for more mid size Amazon bikini inspo.
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Shop Plus and Mid Size Amazon Bikinis
The Best Mid and Plus Size Amazon Bikinis
Before we dive into these Amazon bikinis, I want to give a little background on my measurements to help you compare my fit notes to your own body shape and size. I normally wear a size 14 or 16. I am 5’8″ and consider myself to have a longer torso and shorter legs. My bra size is 36J UK, which is why I specifically was on the hunt for Amazon bikinis for big busts. My waist is around 35″ and my hips are around 49″.
Some of these are only plus size Amazon bikinis and the size range starts around a large. Other swimsuits might be straight sizes through around an XXL, barely dipping into plus sizes. While there is nothing wrong with options like a swim dress, swim short bottoms, tankinis, etc, you won’t find those styles in this post.
Daci Plus Size High Waisted Bikini Set Ruffle Flounce Tummy Control Bathing Suit

This two piece plus size bikini is so fun and probably my favorite so far! I find it to offer full coverage for my big bust, which is a big plus in my book. The straps are adjustable and so is the center of the bikini, you can make it a v neck or keep it full coverage. I love both low and high waisted bikinis pending exactly how they hit my curves. These bikini bottoms hit just right on my stomach and don’t dig into me to create spillage. They also have fairly full coverage on the booty.
As far as sizing goes, I would say it’s pretty true to size but the bottoms are a little bit generous. Size down if you are in between sizes. You can buy this $35 plus size Amazon bikini in sizes large-24 plus and in 15+ colors and prints. I am wearing XL.
KisscynestPlus Size High Waisted Bathing Suit

This Amazon Prime plus size swimsuit gets my stamp of approval! There is enough coverage for my chest on the sides, top and bottom (we love a no-spill top!), and decent support for it being non-wired. The thick band is providing some extra support for the bust, which we love to see! The tie around element is attached on each side, so you can tie to the front or back, lower down like I have it here or under bust for some additional “band” like support. The shoulder straps are not adjustable on this swimsuit, but you can adjust how low the swimsuit hits on your back by moving it around. When it comes to the bottom half, feel super held in and supported with my stomach. The booty is a bit cheeky but nothing wild!
I have a video review of this swimsuit on TikTok. Shop the $30 plus size Amazon bikini in sizes XL-4X and 10+ color variations. I am wearing XL.
Daci Plus Size High Waisted Bottom Ruched Tie Knot Bathing Suit

The straps are adjustable in the back and I felt like the front offered plenty of support and coverage for my chest. The bottoms hit me right below my belly button and offer pretty full coverage on the butt. There’s a tie on the bottoms that can be criss crossed over your stomach for a fun detail, or tied to the side like I’m wearing.
I’m wearing XXL in these photos. I tried the XL and it was just a little too snug in the bottoms for my preference. However, the XL band on the bikini top fit a bit better. You can find this high waisted Amazon bikini in sizes L-24 plus and 13 color variations. I am wearing XXL.
Aqua Eve High Lace up Bikini Tops Ruched High Waisted Bikini

I didn’t have the highest of hops for this mid size Amazon bikini, but I am so glad I ended up ordering it! This bikini offers pretty full booty coverage and fun detailing on the front of the high waisted bikini bottoms. You can adjust the side coverage to make it as short or long as you feel comfortable with. The straps are adjustable and the band of the suit is also adjustable via the lace up detailing in the back. I find the faux wrap detail to be adorable and like that it also adds a bit of extra support on the side seam.
This $32 midsize Amazon bikini for big busts is available in sizes XS-XXL and 25 colors and patterns. I’m wearing an XL and find it to fit true to size!
Yonique Plus Size High Waisted Bikini Swimsuits Tummy Control

This was another surprise for me when it came to Amazon bikinis for big busts! I was pretty convinced that the deep v of this bikini would be a no go for my large bust, but I was wrong! I peak out of the top just barely on the sides of the bikini, but I don’t feel like I’m overflowing or going to fly out. The back has criss crossing adjustable straps which offer some extra support. The bottoms are decent coverage and have a nice ruching and mesh detail on the front.
You can shop this plus size Amazon bathing suit for $35. It comes in sizes 12 plus-24 plus and 22 color variations. I’m wearing 14 plus and find it to fit true to size.
Daci Women Plus Size Lace Up Flounce Tummy Control Bathing Suits Bikini

From a fit perspective, I think this Amazon two piece swimsuit is a great plus size option! Personally, I’m not sure how I feel about the ruffle over the suit and on the sleeves, as it’s a lot of fabric just hanging out, but it sure is cute! I am going to keep this one because I liked the fit and quality, just need to get a feel for the extras! It’s a pretty full coverage bottom and feels really nice on the stomach, supportive but not constricting. The top has adjustable straps and holds in my large bust.
This $30 plus size Amazon bikini is available in sizes large-24 plus and I am wearing XL. It comes in 13 different colors and patterns, including this fun snakeskin! You can see it in hot pink this post about pink swimsuits!
Daci Plus Size Vintage Twist Front Retro Bikini Bathing Suits with Ruched Bottom

At first I was afraid I might start popping out of this bikini top. It was a close fit to get my large chest in this bikini… But after wearing it a few times, I’m calling it a keeper. It’s not the most coverage out of all these Amazon bikinis, but it’s enough to do the job. As with a lot of the swimsuits this year, this has an adjustable top band to give a bit more support in the top, which I adore. We have adjustable straps and unique ruching detail on the front of the bikini, giving it a retro vibe. The bottoms also have gorgeous ruching detail and feel supportive for the lower belly.
This $31 plus size Amazon bikini is available in sizes medium-24 plus and I ordered XL. It comes in 26 different colors and patterns.
Daci Women Plus Size Two Piece Swimsuit with High Waisted Bikini Bottoms

If this isn’t the most adorable swimsuit from Amazon! I love the little peak a boo cut out in the bikini top. The band itself is not very supportive, so I wouldn’t order this expecting a lot of support and lift. The band is also a bit flimsy, so you might find that it shows some of the swimsuit liner (like you can in the photo here). It’s got adjustable straps that criss cross in the back which helps you feel held in and supported a bit more. I find that there is plenty of coverage for my chest and don’t feel like I’ll lose a boob in the cut out. The bottoms run a bit snug, but I do believe they will stretch a bit with wear this summer. It’s better to have bottoms that are too tight than too loose!
If you are between sizes, it might be worth going up instead of down, but don’t just “size up” in general. This plus size Amazon bikini is available for $32 in sizes medium-24 plus and I ordered a 14 plus. It comes in 9 different colors and patterns.
Yonique Plus Size Bandeau Bikini High Waisted Swimwear

At first try on, I quite like this as a strapless swimsuit option for the summer! By no means is this an “active” swimsuit without straps (aka you won’t find me playing mermaids in it or chasing after kiddos), but I could be social in this without worrying it was falling off me. Of course I will wear test this once the weather allows me to! With the top, I liked the thick bottom band and additional band on top that is adjustable. Speaking of adjustable, these straps are as well. The bikini bottoms feel supportive without cutting into me.
This plus size Amazon bikini is $31 and available in sizes 12 plus-22 plus and I ordered a 14 plus. It comes in 6 different colors and patterns.
Daci Women Plus Size Two Piece Bikini Swimsuit High Waisted Bottom Ruched Lace Up Bathing Suit

I think this plus size Amazon two piece swimsuit runs a on the smaller side. I originally ordered this in XL last summer and it was squeezing me tight! So I opted for XXL this season, the photo above, and it’s a much better fit. I love the front and back details of this bikini top. I wasn’t sure if it was meant to be strapless or just have the flexibility to criss cross the straps (because you can remove them). Anyways, I did try the strapless option and that would be a “tanning only” vibe, as the weight of my boobs was not supported enough to be strapless. The booty is fairly cheeky on me and goes up really high on my backside. I love the front ruching detail on the waistline.
You can find this $31 Amazon swimsuit in sizes large-24 plus. I am wearing XXL. It comes in 21 colors and prints.
Yonique Plus Size Short Sleeve Swimwear Tummy Control Bathing Suits

Generally speaking, this plus size swimsuit from Amazon is fine and there isn’t anything super “wrong” with it. The bottoms fit well and have unique detailing on the front that I’ve not seen on other swimsuits I’ve tried. They are pretty full coverage and supportive in both the booty and in the bust. While I would call this one of the good Amazon bikinis for big busts, my issues are still with the bikini top. I didn’t love the sleeves, I feel like once they’re wet it would drive me a bit crazy. The swimsuit also should fit more like a longline, but my under bust area kept rolling up towards my chest. With all that said, it did hold the girls in and up!
This Amazon plus size two piece swimsuit is available in sizes 14 plus-22 plus and 9 colors and patterns. I am wearing 14 plus in this $34 swimsuit.
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If you found this helpful, be sure to poke around some of my other blog posts!
Strapless Bras for Really Big Boobs dives into a few more options + fit notes. Supportive Sports Bras for Big Boobs highlights a handful of sports bras at different price points and impact levels. For all your “no bra” outfit needs, Best Boob Tape for Large Breasts. My favorite underwire bras: Bras for Large Breasts and Smaller Band Size. If you’re looking for more swimsuits for big boobs, this one focuses on one pieces, this is a mix and this one bikinis.
If there is something specific you need, never be afraid to email me or reach out on Instagram– chances are you aren’t the only one who is looking for something!
Such a wonderful collections of beautiful and stylish swimwear .I have 3 favorite swimsuit, the first one is Daci Women Plus Size Two Piece Swimsuits I super love the style, second Romwe Women’s Plus Size Criss Cross One Shoulder High Waist Bathing Suit I love how stylish this swimsuit and lastly Yonique Womens Two Piece Plus Size Bikini, they all look good on you. Love it.<3