Size 20 Swimwear for Women for sale

New listingGeorge swimsuit / swimming costume size 20 pink floral.New without tags
New (other)
£13.72
or Best Offer
£2.94 P&P
+^ &* ]R w.?L! G|/C R$L WS p o n s o r e d
LTS Tall Mesh Active Swimsuit
Brand new · Long Tall Sally
£37.00
Free postage
Click & Collect
+^ 6&*K ] wP6. NF?!| / $U6S p o n s o r e d
Slimming Adjustible 2 pc Swimdress Blue NEW Size XXL size 20.
New (other) · Unbranded
£18.92
or Best Offer
£2.94 P&P
+QP^ &1M* ] wA.?!|Y/ $ BS p o n s o r e d
New listingShein, Ladies White/black polka dot Tankini,wide adjustable straps,Size 20/22New
New (other) · SheIn
£13.20
or Best Offer
£2.94 P&P
S4 76 +BG^ &*ZE Y ] w.?!B| / $S p o n s o r e d
SEXY LADIES NEXT NAVY PADDED TUMMY CONTROL SWIMSUIT SIZE 20
Pre-owned · NEXT
£3.99
£3.99 P&P
0 bids
1h 1m
U7 I+^ &*F 2] w3. ?!|/ $9Y
SEXY LADIES M&S NAVY BLUE MIX PADDED TUMMY CONTROL SWIMSUIT SIZE 20
Pre-owned · Marks & Spencer
£3.99
£3.99 P&P
1 bid
11m 22s
HI 9+^ D &* ] w.?Z!M|/ R $2
PEACH CHIFFON TANKINI BIKINI SIZE 20 LADIES SWIMWEAR
Pre-owned
£3.99
£3.99 P&P
1 bid
56m 22s
+^N 4&* ] R Bw.?! L|2 / T$N
BLACK / PURPLE / TEAL HALTER NECK STRAPLESS SWIMSUIT SIZE 20 LADIES SWIMWEAR
Pre-owned
£10.39
£3.99 P&P
4 bids
24m 22s
+^G W&* I Y] Iw0. 24? !N|L/ $
BLACK / BLUE / PURPLE BONMARCHE PALM PRINT SWIMSUIT SIZE 20 SWIMWEAR
Pre-owned
£4.99
£3.99 P&P
1 bid
44m 22s
X+^ &*5 ]J2 w. ?9!|E/ S M$
BNWT M&S MAGIC SHAPING TUMMY CONTROL PINK FIZZ RUCHED SQUARE NECK SWIMSUIT
Brand new · Marks & Spencer
£15.00
£3.39 P&P
Click & Collect
11 watching
+^A4 & * ]9 5w. ?9!|/ P$ N
BNWT Matalan Multicoloured Leaf Print Underwired Non Padded Bikini Set (G385)
Brand new
£12.99
Free postage
Click & Collect
+^ &* ] TBw .?!2|J / Q$F
Scuba Womens Mix & Match Bandeau Bikini Separates Tops & Bottoms Plain Print UK
Brand new
(2)
£9.99
Free postage
Click & Collect
167 sold
+^ X&*C I ] w3 .O?!|K / $
Speedo Women's Eco Endurance+ Legsuit Swimsuit Swimming Costume Black 2025 BNWT
Brand new · Speedo
£22.95
Was: £42.00was - £42.00
Free postage
Click & Collect
10 watching
+B^T T&* ]J w. ?3R!| / WT T$
Yours Curve Women's Plus Size Floral Tie Front Swimsuit
Brand new
£37.00
Free postage
N+^M &* 60] R w.?!|/4 $8S p o n s o r e d
LTS Tall Colourblock High Neck Swimsuit
Brand new · Long Tall Sally
£40.00
Free postage
F+^A &N* ] Jw.? !|/V $I S p o n s o r e d
Ladies Swimsuit Size 20
Pre-owned · Unbranded
£4.88
or Best Offer
£2.69 P&P
VC +^ Y&*W ]B Uw .M?!U J|/W $S p o n s o r e d
Scuba Womens High Waist Swim Briefs Mix Match Plain Print Deep Side Bottoms UK
Brand new
£9.99
Free postage
Click & Collect
110 sold
+^ &X*B ] w.?0X !G|/ $L Q
PURPLE TU CRINKLE SWIMSUIT SIZE 20 CONTROL SWIMWEAR
Pre-owned · TU
£4.99
£3.99 P&P
1 bid
38m 22s
+8P^ &*E6 ]FC OE w 6.?X! |/ $
Scuba Women's Mix & Match Swim Skirt With Attached Brief Bottoms UK Seller 10-22
Brand new
£14.99
Free postage
Click & Collect
124 sold
3O+^ &*3 6] w X6. ?Q!T |/ $
BLACK MATALAN HALTER NECK SWIMSUIT SIZE 20 SWIMWEAR
Pre-owned
£3.99
£3.99 P&P
1 bid
1h 14m
+^ EF& *O ] H ZwS. R?!|/ $J
New listingTankini Swimsuit Drawstring Bathing Suits Two Piece Floral Print Size 20
Brand new
£13.95
£2.94 P&P
+^ V&* R] CM w W.?!|/N $H
BNWT M&S neoprene padded plunge bikini top & high leg bottoms
Brand new · Marks & Spencer
£15.00
£3.39 P&P
Click & Collect
Z+^ &* G] w.?!| Z/ G$ 82 C
Animal Lenora Women's Board Shorts Printed Panel Ladies Quick Dry Short Pants
Brand new · Animal
£26.99
Was: £44.99was - £44.99
Free postage
+^ &* K3 ]CH wH.?N!| K/ $3
Marks and Spencer Magic Shaping Secret Slimming Swimming Costume Size 20 Regular
Brand new · Marks & Spencer
£16.00
£3.75 P&P
Click & Collect
5 watching
3+A^ & * ]7 w.T?! U|/4 L$M
Scuba Womens Mix & Match Plain Colour Swim Shorts Bottoms Separates UK Seller
Brand new
£9.99
Free postage
Click & Collect
60 sold
R+E^ Y3& * ] 0wR .C?!2 |8/0 $
BNWT Matalan Navy Blue White Print Underwired Non Padded Bikini Set (G327)
Brand new
£12.99
Free postage
Click & Collect
+^ F&* I ]4 W SGw.? !|26/ VV $
BNWT Marks & Spencer black neoprene black padded plunge bikini tops 8 - 22
Brand new · Marks & Spencer
£10.00
£3.39 P&P
Click & Collect
+07 1^Z &* ] w.?7!|0/ $WJ
Mountain Warehouse Women's Sleeveless Shorty Wetsuit Water Sports Ladies Outfit
Brand new · Mountain Warehouse
£22.99 to £32.99
Was: £54.99was - £54.99
Free postage
+^ &*R1 ] wYO.?!| / M$R 0A
M&S TUMMY CONTROL PALM PRINT SWIMSUIT UK 12, 14, 20 BNWOT
New (other) · Marks & Spencer
£12.99
£3.75 P&P
Click & Collect
CK +^ &I* 2 ] w.?!|6L/ $6XS p o n s o r e d
Yours Curve Women's Plus Size Floral Print Pleated Tankini in UK Size 20
New (other)
£19.96
or Best Offer
£3.50 P&P
D9+^ G N &* ] w.NH ?13 8!X|/ $S p o n s o r e d
Yours Curve Women's Plus Size Drawstring Swim Shorts
Brand new
£21.50
Free postage
Click & Collect
+^U4 &* G]X 0Fw CG. H?Q! |/ $S p o n s o r e d
Plus Size Womens Swimsuit Tummy Abdomen Control Monokini Bikini Swimming Ladies
New (other) · Unbranded
£3.99 to £12.99
Free postage
+DG^ &* ] RCw .?IH !WN RP |/ $S p o n s o r e d
NEW BONMARCHE SWIMSUIT SIZE 20, Black Control front Ruched swim Costume
Brand new
£16.00
£4.75 P&P
XP+^ &* ]7Q w YO .?L9! N|/ $
BNWT M&S Goodmove high neck swimsuits - choice of colours
Brand new · Marks & Spencer
£16.00
£3.39 P&P
Click & Collect
+^S K& DE * A]I w .F?!|/I $
M&S MARKS & SPENCER PINK MAGIC SHAPING SWIMMING COSTUME SIZE 20 LONG
Brand new · Marks & Spencer
£18.99
Free postage
Click & Collect
26 watching
+BD^ FF&* CU ] ZF w.0?!7|/ $
M&S MAGIC SHAPING Secret Slimming Stay New Tummy Control WRAP PLUNGE Swimsuit
Brand new · M & M
£17.99 to £19.99
£3.99 P&P
Click & Collect
6P J+^ 2 F&* ] wQ .?!|O6/ $
Beach Cover Up In Blue Will Fit 20/22/24
Brand new
£11.12
£2.94 P&P
+^7 K&* ] KEw.?! F|/ 7$ U5
Mountain Warehouse Harlyn Swimsuit Stretchy Quick Dry Ladies Beach Swimwear
Brand new · Mountain Warehouse
£14.99
Was: £22.99was - £22.99
Free postage
PL X+^ &* K] w .?6!|/K $XX
Ladies Swimming Costume Bathing Swimwear Tummy Control Monokini Bikini Swimsuit
Brand new · Unbranded
£10.99 to £11.99
Free postage
Click & Collect
D+^ B& *8 ]X wGW.? !6S|/ W$S p o n s o r e d
Size 20 Magisculpt Navy Blue Tummy Control Swim Dress Style Swimsuit
Brand new
£19.95
(£19.95/Unit)
Free postage
Click & Collect
8+0 ^ &*6 K G4 ] w33.?! |N/ $S p o n s o r e d
Ladies Tankini Size 20
New (other) · BHS
£5.92
or Best Offer
£2.94 P&P
+^ Y&V *N R ]M w.?0 !|/ $6
New listingM & S Ladies Secret Slimming Swimsuit Swimming Suit Costume ~ Size 20 ~ Red
Brand new · Marks & Spencer
£11.95
£3.45 P&P
Click & Collect
+^O &*D ] wT.S ?M!|9 SH / 5$
BNWT M&S green print padded bikini top & plain green high waist bottoms
Brand new · Marks & Spencer
£15.00
£3.39 P&P
Click & Collect
2+1^ &D*8 ]O0 Xw9. ?!|ZE/ $
Peacocks Red Polka Dot Swim Dress/Swimsuit Size 20
Pre-owned · Peacocks
£12.15
or Best Offer
£3.95 P&P
Click & Collect
+H^ 6& X*V R ] w.4? !|9/ 3$
Mountain Warehouse Womens Shorty Wetsuit Lightweight Fast Dry Contour Fit Ladies
Brand new · Mountain Warehouse
£49.99
Was: £79.99was - £79.99
Free postage
+^MS FV&* ] IwD.? !|AE/ $
BNWT Gorgeous Boden Mustard, Blue & Ivory Halterneck Swimsuit, UK Size 20L, Tag
Brand new · Boden
£29.99
£3.99 P&P
Click & Collect
+^ &YQ * UW] w.?!| / $LR
Evans Tankini Size 20
Pre-owned · Evans
£3.84
£2.94 P&P
1 bid
1d 21h
U+R ^ I&S* ] w.Q?W!|/ D4 $
Scuba Women's Halter Neck Bikini Top Mix & Match Separates Tie Fasten UK Seller
Brand new
£12.99
Free postage
Click & Collect
137 sold
+K^K & *DE U1 V] C SwO.?!|/ $
NEW DEBENHAMS Size 14-22 Polka Dot Spotted Swim Dress Swimsuit Black White
New (other) · Debenhams
£14.95
£3.35 P&P
Click & Collect
31 sold
L+^ &*X ] wT.?K !E|9 / E$
Swim Dress Womens Swimming Costume | Skirt Tummy Control Flower
Brand new · SHEKINI
£15.80 to £17.66
Was: £18.99was - £18.99
Free postage
4 watching
+^ VM DL&* P5 W ] w.?!|E/ $
Speedo Women's Eco Endurance+ Medalist Swimsuit Swimming Costume Navy 2025 BNWT
Brand new · Speedo
£15.95
Was: £31.00was - £31.00
Free postage
Click & Collect
51 +^ SD& *FE ] w.?HM! PR |/ $
Stunning BNWT M&S black padded ruched tummy control halter plunge swimsuit
Brand new · Marks & Spencer
£15.00
£3.39 P&P
Click & Collect
10 watching
+^IR &* ] w. ?ZW! |/ F$E G
M&S MARKS & SPENCER BLACK MAGIC SHAPING SWIMMING COSTUME UK SIZE 20 REG
Brand new · Marks & Spencer
£17.99
Free postage
Click & Collect
14 watching
+9^ &* S ]Z5 w. NG WQ? VR!| / $
Swimming Costume Womens One Piece Athletic Tummy Control Adjustable Straps
New (other)
£14.99
Free postage
2 watching
+XL^ Y &* ] Lw W.K ?W!1 |/ $
Plus Size Retro Vintage Alt Style Tummy Control Starry Nights Swimdress suit
Brand new
£34.99
Free postage
Click & Collect
+R^V 00 &*O J] wT.8 ?!|/ $
MAGISCULPT SWIMSUIT/SWIMMING COSTUME SIZE UK 20 *NEW*TUMMY CONTROL BLACK & WHITE
Brand new
£21.51
£4.05 P&P
Click & Collect
+^ I&*0 ] w.?Z!|H / $ND
Biba Designer Icon Swimsuit Costume Tummy Control BNIP Black Sz 20 3XL RRP£55
Brand new · BiBA
£17.36
£3.90 P&P
Click & Collect
4 watching
GD+ ^ &*Z K] 8w.?!|/B $UN
Aqua Swimming Costume Size 20
Pre-owned · Aqua
£1.75
£2.94 P&P
1 bid
16h 29m
+^ SS& Y* ] wU .?T!G|/ $ZG
Debenhams Black Swimming Costume - UK Size 20
Pre-owned · Debenhams
£16.32
or Best Offer
£3.50 P&P
Click & Collect
CE+ Z^ 1 &*N P] w.? !|/2 $GS p o n s o r e d
Plus Size Womens Ladies Swimdress Swimwear Swim Dress Swimming Costume Swimsuit1
Brand new · Unbranded
£10.10 to £11.57
Was: £12.18was - £12.18
£3.59 P&P
+^R &0 * ] wL4. ?7!|5 / W$T S p o n s o r e d

Size 20 Swimwear for Women

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15,704 results

New listingGeorge swimsuit / swimming costume size 20 pink floral.New without tags

LTS Tall Mesh Active Swimsuit

Slimming Adjustible 2 pc Swimdress Blue NEW Size XXL size 20.

New listingShein, Ladies White/black polka dot Tankini,wide adjustable straps,Size 20/22New

SEXY LADIES NEXT NAVY PADDED TUMMY CONTROL SWIMSUIT SIZE 20

SEXY LADIES M&S NAVY BLUE MIX PADDED TUMMY CONTROL SWIMSUIT SIZE 20

PEACH CHIFFON TANKINI BIKINI SIZE 20 LADIES SWIMWEAR

BLACK / PURPLE / TEAL HALTER NECK STRAPLESS SWIMSUIT SIZE 20 LADIES SWIMWEAR

BLACK / BLUE / PURPLE BONMARCHE PALM PRINT SWIMSUIT SIZE 20 SWIMWEAR

BNWT M&S MAGIC SHAPING TUMMY CONTROL PINK FIZZ RUCHED SQUARE NECK SWIMSUIT

BNWT Matalan Multicoloured Leaf Print Underwired Non Padded Bikini Set (G385)

Scuba Womens Mix & Match Bandeau Bikini Separates Tops & Bottoms Plain Print UK

Speedo Women's Eco Endurance+ Legsuit Swimsuit Swimming Costume Black 2025 BNWT

Yours Curve Women's Plus Size Floral Tie Front Swimsuit

LTS Tall Colourblock High Neck Swimsuit

Ladies Swimsuit Size 20

Scuba Womens High Waist Swim Briefs Mix Match Plain Print Deep Side Bottoms UK

PURPLE TU CRINKLE SWIMSUIT SIZE 20 CONTROL SWIMWEAR

Scuba Women's Mix & Match Swim Skirt With Attached Brief Bottoms UK Seller 10-22

BLACK MATALAN HALTER NECK SWIMSUIT SIZE 20 SWIMWEAR

New listingTankini Swimsuit Drawstring Bathing Suits Two Piece Floral Print Size 20

BNWT M&S neoprene padded plunge bikini top & high leg bottoms

Animal Lenora Women's Board Shorts Printed Panel Ladies Quick Dry Short Pants

Marks and Spencer Magic Shaping Secret Slimming Swimming Costume Size 20 Regular

Scuba Womens Mix & Match Plain Colour Swim Shorts Bottoms Separates UK Seller

BNWT Matalan Navy Blue White Print Underwired Non Padded Bikini Set (G327)

BNWT Marks & Spencer black neoprene black padded plunge bikini tops 8 - 22

Mountain Warehouse Women's Sleeveless Shorty Wetsuit Water Sports Ladies Outfit

M&S TUMMY CONTROL PALM PRINT SWIMSUIT UK 12, 14, 20 BNWOT

Yours Curve Women's Plus Size Floral Print Pleated Tankini in UK Size 20

Yours Curve Women's Plus Size Drawstring Swim Shorts

Plus Size Womens Swimsuit Tummy Abdomen Control Monokini Bikini Swimming Ladies

NEW BONMARCHE SWIMSUIT SIZE 20, Black Control front Ruched swim Costume

BNWT M&S Goodmove high neck swimsuits - choice of colours

M&S MARKS & SPENCER PINK MAGIC SHAPING SWIMMING COSTUME SIZE 20 LONG

M&S MAGIC SHAPING Secret Slimming Stay New Tummy Control WRAP PLUNGE Swimsuit

Beach Cover Up In Blue Will Fit 20/22/24

Mountain Warehouse Harlyn Swimsuit Stretchy Quick Dry Ladies Beach Swimwear

Ladies Swimming Costume Bathing Swimwear Tummy Control Monokini Bikini Swimsuit

Size 20 Magisculpt Navy Blue Tummy Control Swim Dress Style Swimsuit

Ladies Tankini Size 20

New listingM & S Ladies Secret Slimming Swimsuit Swimming Suit Costume ~ Size 20 ~ Red

BNWT M&S green print padded bikini top & plain green high waist bottoms

Peacocks Red Polka Dot Swim Dress/Swimsuit Size 20

Mountain Warehouse Womens Shorty Wetsuit Lightweight Fast Dry Contour Fit Ladies

BNWT Gorgeous Boden Mustard, Blue & Ivory Halterneck Swimsuit, UK Size 20L, Tag

Evans Tankini Size 20

Scuba Women's Halter Neck Bikini Top Mix & Match Separates Tie Fasten UK Seller

NEW DEBENHAMS Size 14-22 Polka Dot Spotted Swim Dress Swimsuit Black White

Swim Dress Womens Swimming Costume | Skirt Tummy Control Flower

Speedo Women's Eco Endurance+ Medalist Swimsuit Swimming Costume Navy 2025 BNWT

Stunning BNWT M&S black padded ruched tummy control halter plunge swimsuit

M&S MARKS & SPENCER BLACK MAGIC SHAPING SWIMMING COSTUME UK SIZE 20 REG

Swimming Costume Womens One Piece Athletic Tummy Control Adjustable Straps

Plus Size Retro Vintage Alt Style Tummy Control Starry Nights Swimdress suit

MAGISCULPT SWIMSUIT/SWIMMING COSTUME SIZE UK 20 *NEW*TUMMY CONTROL BLACK & WHITE

Biba Designer Icon Swimsuit Costume Tummy Control BNIP Black Sz 20 3XL RRP£55

Aqua Swimming Costume Size 20

Debenhams Black Swimming Costume - UK Size 20

Plus Size Womens Ladies Swimdress Swimwear Swim Dress Swimming Costume Swimsuit1

Best Selling

Speedo Women's Eco Endurance Legsuit - UK 16/38 Black 8-135410001

SHEIN Women Summer Long Sleeve Swimsuit Sun Protection One Piece Surfing Wetsuit

Speedo Women's Hyperboom Splice Muscleback Swimsuit Quick Dry Black Pink UK 18

Speedo Hyperboom Splice Muscleback Swimsuit UK14/36 Women's Swimming Costume

Speedo Women’s Medley Logo Medalist Swimming Costume Navy - UK10/2

Speedo Swimsuit UK 18/40 Eco Endurance Power Cross X-Back 8-134720001

Lepel Womens Riviera Fold Brief 20 16 16 1123252

Limited time deals

Mountain Warehouse Womens Long Sleeve Rash Vest Ladies Sun Protection Swim Top

Mountain Warehouse Take the Plunge Womens Printed Swimsuit Ladies Beach Swimwear

Mountain Warehouse Womens Rash Sun Protection Vest Ladies Wetsuit Swimming Top

Mountain Warehouse Womens Surfer Short Sleeve Swimsuit

Mountain Warehouse Helston Women's Zip Rash Vest Long Sleeve Ladies Swim Top

Animal Women's Lucie Rash Vest Long Sleeve Swim Wear UPF 50 Protection

Animal Women's Daisy Logo Rash Vest Ladies Raglan Sleeved Swim Wear

Animal Crest Women's Bikini Bottoms Stylish Mid Rise Ladies Printed Swimwear

MAGISCULPT SWIMSUIT/SWIMMING COSTUME SIZE UK 20 NEWTUMMY CONTROL BLACK & WHITE