Swiss Madison St. Tropez One-Piece Toilet Review: A Budget-Friendly One-Piece With Decent Dual Flush Performance

The Swiss Madison St. Tropez is one of the most searched budget one-piece toilets, and for good reason. It pairs a sleek skirted shape with a dual-flush system at a price point that undercuts the premium brands. We compared its manufacturer specs, independent flush data, and owner feedback against the models buyers usually shortlist alongside it. The short version is that the St. Tropez delivers decent everyday performance and strong water savings, but its flush power sits a step below the category leaders. Whether that gap matters depends entirely on your bathroom and your household.

Swiss Madison St. Tropez at a glance

The St. Tropez is a one-piece, elongated, comfort-height toilet with a fully skirted trapway that hides the bolt caps and contours for easier cleaning. It uses a dual vortex flush rated at 0.8 gallons per flush for liquid waste and 1.28 gallons for solids. That full-flush figure keeps it inside the WaterSense standard, which caps certified toilets at 1.28 gallons or less. Its independently measured MaP score is 600 grams, meaning the bowl clears 600 grams of solid waste in a single flush during standardized testing.

The table makes the tradeoff clear. The St. Tropez wins on water efficiency and one-piece styling for its price, but every comparison model clears more waste per flush by the MaP measure. If you want a deeper explanation of how these numbers are generated, our guide on what a MaP score means breaks down the grams-per-flush test in plain terms.

How the dual vortex flush performs

Swiss Madison markets the St. Tropez flush as a vortex system, meaning water enters the bowl in a swirling motion rather than through a simple rim wash. The goal is to scour the bowl walls while pulling waste down the trapway. Owners generally report that the swirl keeps the bowl clean and rarely leaves streaks, which is a real advantage over cheaper rim-hole designs. The flush is also on the quieter side compared with pressure-assist units.

What the MaP 600 score tells you

A MaP score of 600 grams sits at the practical middle of the market. The test tops out at 1000 grams, and the strongest performers, including the TOTO and Kohler models above, reach that ceiling. For a single person or a small household, 600 grams is enough for reliable single-flush clearing on most days. For a busy family bathroom or a home with a history of clogs, the extra headroom of a MaP 800 or 1000 toilet buys real peace of mind. The St. Tropez sits below the 800-gram bar we recommend for high-traffic primary baths.

Water use across the two flush modes

The dual-flush design is where the St. Tropez earns its keep. The 0.8-gallon light flush is well below the federal ceiling, and the 1.28-gallon full flush matches the modern efficiency standard. Over a year, choosing the light flush for liquids adds up to meaningful savings on a water bill. If you are weighing efficiency against raw power, our comparison of 1.28 GPF versus 1.6 GPF toilets explains why a lower flush volume does not automatically mean weaker clearing, provided the bowl and trapway are engineered well.

Design, height, and installation

As a one-piece toilet, the St. Tropez has no tank-to-bowl seam, which removes a common leak point and a hard-to-reach crevice for grime. The comfort height puts the seat closer to a standard chair, which most adults and anyone with mobility concerns find easier to use than a lower standard-height bowl. The elongated bowl adds a bit of room over a round front. The skirted trapway gives the exterior a smooth, continuous face that wipes down in seconds.

Installation follows the usual one-piece routine, and the manufacturer listing includes a soft-close seat, so you do not need a separate purchase. One-piece toilets are heavier to maneuver than two-piece units because the tank and bowl arrive fused, so a second set of hands helps during setup. If you are new to how the tank, valve, and trapway work together during a flush cycle, our primer on how toilets work is a useful read before you start.

How it compares to other one-piece and dual-flush toilets

Against the TOTO Aquia IV, the St. Tropez matches the dual-flush concept but not the flush engineering. The Aquia IV uses TOTO's Tornado dual system and reaches a MaP of 1000 grams on its full flush, so it clears heavier loads with more margin. The Aquia IV is a two-piece unit, though, which some buyers find less elegant than the seamless St. Tropez.

The Woodbridge T-0001 is the closest head-to-head rival, since it is also a one-piece dual-flush toilet with a modern skirted look. It carries a MaP 1000 rating, but its full flush uses 1.6 gallons rather than 1.28, so it trades some water savings for clearing power. Shoppers who prize efficiency lean toward the St. Tropez, while those who prioritize maximum flush strength often prefer the Woodbridge.

Compared with single-flush one-piece stalwarts like the TOTO UltraMax II or the two-piece Kohler Highline, the St. Tropez cannot match their MaP 1000 muscle. What it offers instead is dual-flush water savings and a lower price. That is the central bargain of this toilet, and it is a fair one for the right buyer. For a broader shortlist across price tiers, see our roundup of the best flushing toilets we recommend.

Pros and cons

• Efficient dual flush: the 0.8-gallon light flush and 1.28-gallon full flush deliver real water savings while staying WaterSense certified.
• Clean one-piece styling: the seamless body and skirted trapway wipe down fast and hide the mounting bolts.
• Comfort height and elongated bowl: easier to sit and stand, with a roomier bowl than round-front budget models.
• Soft-close seat included: the manufacturer listing bundles the seat, so there is no extra part to buy.
• Value pricing: it undercuts the premium one-piece dual-flush field while still offering modern features.
• Only middling flush power: the MaP 600 score trails the MaP 1000 leaders and sits below the 800-gram bar for heavy primary baths.
• Heavier to install: the fused one-piece body is awkward to lift and position alone.
• Support and parts: owners note that replacement flush components can be harder to source than for major legacy brands.

Who should buy the Swiss Madison St. Tropez

The St. Tropez makes the most sense for value-focused buyers who want a modern one-piece look and strong water efficiency without paying premium-brand prices. It is a solid fit for a guest bathroom, a powder room, or a secondary bath where flush volume rarely gets tested to the limit. Single people and small households will find its clearing power perfectly adequate for daily use, and the dual flush trims the water bill over time.

It is a better match for style-conscious remodels than for problem bathrooms. If your household is large, your traffic is heavy, or you have battled recurring clogs, a toilet with a MaP score closer to 1000 grams will serve you better in the long run. In that case the extra clearing headroom is worth the higher price.

Where it falls short

The honest limitation is flush margin. A MaP 600 score is not weak, but it leaves less room for error than the top performers, and for solids-heavy use you may occasionally reach for a second flush, which erodes the water savings. Parts availability is the other consideration, since a smaller brand does not have the decades-deep replacement network of the legacy names. Neither issue is a dealbreaker for the right buyer, but both belong in an honest assessment.

If the price and the efficient dual flush line up with your bathroom, the St. Tropez is a reasonable pick. Check current price before you decide, since availability and finish options shift over time.

Related Guides

• What Is a MaP Score
• 1.28 GPF vs 1.6 GPF
• How Do Toilets Work
• Best Flushing Toilets