Such a lovely dress. It’s light, comfortable and the fit is really flattering. I wore it out for lunch with friends and had so many compliments.
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ISLA WELLINGTON · Clothing > Swimwear > Beach > Coastal
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See the product description, materials and care details for product-specific information.
Most tummy-control suits look like tummy-control suits. This one doesn't.
The scalloped sweetheart neckline and cross-wrap ruched front smooth your middle and lift the bust — without that pulled-tight, shapewear feeling.

It looks like a suit you'd find at a coastal boutique. It just happens to flatter every curve.
Slip it on. Walk out. No coverup needed.
✓ Smooths your middle, not your style
The cross-wrap ruched front gently shapes your waist while the side gathers disguise any softness. Real shaping. No shapewear feel.

✓ Scalloped neckline that reads expensive
Most one-pieces have a basic V or square cut. The scalloped sweetheart edge gives this suit a designer touch you usually only see in $180+ resort brands.

✓ Wide straps, full back, real coverage
Adjustable wide straps keep the bust supported all day. The full back stays put when you swim, sit, or stretch out — no constant fixing.

✓ Quick-dry polyester stretch blend built for all day
Made from a soft polyester-blend stretch fabric that dries fast, holds its shape, and feels like a second skin from pool to lunch.

What you get today
Seasonal production run — once this batch sells out, restock pricing may change.
Slip into a swimsuit that actually flatters — limited stock at this price.
Try Marenza at home for 30 days. If it doesn't fit, look right, or wear the way you expected, return it for a full refund.
How much shaping does the ruched front actually give?
The cross-wrap panel uses gathered layers of stretch fabric to gently compress and disguise the midsection. It's real shaping — softer than full shapewear, but noticeable.
Will the scalloped edge stay flat?
Yes. The scallops are reinforced with internal stitching so they hold their shape, even after swimming and washing.
Can I swim laps in this, or is it more for lounging?
Both. The wide straps and full back coverage keep everything in place during active swimming.
How does the navy hold up in chlorine?
The nylon-spandex blend is chlorine-tolerant. Rinse in cool water after each use and the color stays rich for full seasons.
Eligible change-of-mind returns can be requested within 30 days of receiving your order. Conditions apply and return instructions must be requested before sending an item back.
PRODUCT DETAILS
Most tummy-control suits look like tummy-control suits. This one doesn't.
The scalloped sweetheart neckline and cross-wrap ruched front smooth your middle and lift the bust — without that pulled-tight, shapewear feeling.

It looks like a suit you'd find at a coastal boutique. It just happens to flatter every curve.
Slip it on. Walk out. No coverup needed.
✓ Smooths your middle, not your style
The cross-wrap ruched front gently shapes your waist while the side gathers disguise any softness. Real shaping. No shapewear feel.

✓ Scalloped neckline that reads expensive
Most one-pieces have a basic V or square cut. The scalloped sweetheart edge gives this suit a designer touch you usually only see in $180+ resort brands.

✓ Wide straps, full back, real coverage
Adjustable wide straps keep the bust supported all day. The full back stays put when you swim, sit, or stretch out — no constant fixing.

✓ Quick-dry polyester stretch blend built for all day
Made from a soft polyester-blend stretch fabric that dries fast, holds its shape, and feels like a second skin from pool to lunch.

What you get today
Seasonal production run — once this batch sells out, restock pricing may change.
Slip into a swimsuit that actually flatters — limited stock at this price.
Try Marenza at home for 30 days. If it doesn't fit, look right, or wear the way you expected, return it for a full refund.
How much shaping does the ruched front actually give?
The cross-wrap panel uses gathered layers of stretch fabric to gently compress and disguise the midsection. It's real shaping — softer than full shapewear, but noticeable.
Will the scalloped edge stay flat?
Yes. The scallops are reinforced with internal stitching so they hold their shape, even after swimming and washing.
Can I swim laps in this, or is it more for lounging?
Both. The wide straps and full back coverage keep everything in place during active swimming.
How does the navy hold up in chlorine?
The nylon-spandex blend is chlorine-tolerant. Rinse in cool water after each use and the color stays rich for full seasons.
VERIFIED CUSTOMER FEEDBACK
Such a lovely dress. It’s light, comfortable and the fit is really flattering. I wore it out for lunch with friends and had so many compliments.
I was unsure about ordering online, but the sizing was spot on. Really pleased with how it looks.
Love the burgundy colour. The cut is very flattering and it stayed comfortable all evening.
The dress fits beautifully and feels really comfortable. The fabric is softer than I expected.
I love how this dress falls. It’s roomy without looking oversized and feels lovely and light on.
This suit fits beautifully. The trousers sit really nicely and the blazer makes the whole outfit look very polished.
The dress fits beautifully and feels really comfortable. The fabric is softer than I expected.
Really happy with this set. The navy is gorgeous in person and it feels very comfortable to wear. Easy to dress up or down.
Really flattering on and true to size. I wore it all afternoon and felt comfortable the whole time.
Such an easy dress to wear. It looks dressed up without feeling too formal.
Simple, elegant and comfortable. It looked even nicer on than I expected
Love the fit around the waist and the way the fabric falls. Very happy with it.
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OUR PROMISE
Eligible change-of-mind returns can be requested within 30 days of receiving your order.
Return policyFree shipping across New Zealand. Dispatched on the next business day after purchase.
Shipping policyPayments are processed securely using the payment methods available at checkout.
Use the product-specific size information and fit guidance shown on the product page. Contact customer support if you need help before ordering.
Orders normally require 1 to 3 working days for processing. After dispatch, estimated delivery is generally 8 to 12 working days, so most orders are expected to arrive approximately 9 to 15 working days after order confirmation. These are estimates, not guaranteed delivery dates.
Eligible change-of-mind returns can be requested within 30 days of receiving your order. Conditions apply and return instructions must be requested before sending an item back. Please review our Refund & Return Policy for full details.
Email support@islawellington.nz for customer support. Include your order number when contacting us about an existing order.
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