6 Best Sink Replacements For Outdated RV Bathrooms That Maximize Every Inch
Upgrade your RV bath with 6 sinks that maximize space. From corner units to vessel bowls, these top picks add modern function to any compact bathroom.
That stained, shallow plastic sink in your RV bathroom isn’t just an eyesore; it’s a daily frustration that makes a small space feel even smaller. Upgrading your sink is one of the highest-impact changes you can make, instantly modernizing the look and dramatically improving the function of your tiny bathroom. Choosing the right replacement isn’t just about style—it’s about reclaiming precious inches and making your rig feel more like a home.
Disclosure: As an Amazon Associate, this site earns from qualifying purchases. Thank you!
Why a New RV Sink Can Redefine Your Bathroom
A sink is the functional anchor of a bathroom. It’s where your morning and evening routines begin and end, and its design dictates how you use the entire space around it. An old, poorly designed sink forces you to balance toiletries on a tiny ledge and splash water all over a cramped countertop.
Replacing it is more than a cosmetic fix. A well-chosen sink can create new, usable counter space where there was none before. It can give you a deeper basin for washing your face without flooding the floor. The right material and shape can make the whole room feel brighter, cleaner, and significantly more spacious.
Think of it as a strategic upgrade. For a relatively small investment of time and money, you’re solving multiple problems at once: outdated aesthetics, poor functionality, and a cramped workflow. It’s a project that pays you back every single day.
RecPro Corner Sink: The Ultimate Space Saver
When your bathroom layout is a puzzle of odd angles, a corner sink is the perfect piece. This design takes the least-used part of your countertop—the deep corner—and turns it into the functional heart of the vanity. By doing this, it frees up a long, linear stretch of counter space for things you actually need to set down.
The RecPro Corner Sink is a classic for a reason. It’s made from lightweight but tough ABS plastic, so it won’t add unnecessary weight to your rig or crack on a bumpy road. The installation is straightforward, often fitting directly into the cutout left by an old corner sink or requiring a simple modification.
The tradeoff, of course, is basin size. A corner sink is typically smaller and best suited for washing hands and brushing teeth. But for most RVers, that’s a worthy sacrifice for gaining a precious 12 to 18 inches of usable, flat countertop space. It’s a simple, pragmatic solution that just works.
VIGO Dianthus Vessel Sink: Modern & Compact
A vessel sink, which sits on top of the counter, might seem like a space-waster. In reality, it can be a brilliant space-saving strategy. Because the bowl sits above the counter, the vanity underneath can be much shallower, and the counter itself remains a completely usable flat surface right up to the sink’s base.
The VIGO Dianthus is a fantastic example. It’s made of solid tempered glass and has a small footprint, giving you a modern, residential feel without demanding a huge amount of surface area. Its verticality draws the eye upward, which can make a small room feel taller and more open. This is a style statement that brings a touch of luxury to a compact space.
Be aware, this choice has two main implications. First, you’ll need a taller vessel-style faucet to clear the rim of the bowl. Second, you’ll want to be precise with your placement to ensure you have enough room for the faucet handle and your hands. It’s a bit more planning, but the payoff is a sleek, functional design that feels anything but "RV."
SereneLife Folding Sink: For Ultra-Tight Spaces
For the tightest of spaces—like a wet bath, a small truck camper, or a DIY van conversion—a folding sink is the ultimate problem-solver. This isn’t about creating a luxurious bathroom; it’s about adding a necessary function without permanently sacrificing a single square inch of floor or counter space.
The SereneLife Folding Sink mounts directly to the wall. When you need it, you fold it down. When you’re done, it folds up and out of the way, often with an integrated faucet that tucks away with it. This leaves the space completely open for use as a shower or simply for more elbow room.
This is a purely utilitarian choice. The basin is small, and the mechanism feels less permanent than a traditional sink. But when the alternative is no sink at all, or a bathroom so cramped you can’t turn around, the folding sink is an ingenious piece of engineering. It’s the definition of maximizing a space through multi-functionality.
Lippert Better Bath: A Durable Drop-In Option
Sometimes, the best solution isn’t a radical redesign but a simple, high-quality replacement. A drop-in sink is what most RVs come with from the factory, and the Lippert Better Bath is a perfect example of doing it right. It’s a direct, no-fuss upgrade that solves the most common complaint: the cheap, yellowing plastic of the original.
Made from scratch-resistant, thermoformed ABS plastic, these sinks are built to handle the rigors of the road. They look clean, feel substantial, and are incredibly easy to install, often fitting the exact cutout of your old sink. There’s no need to re-plumb or rebuild your vanity.
This option isn’t about creating new space, but about improving the quality and feel of your existing space. A fresh, white, durable sink makes the whole bathroom feel cleaner and more modern. It’s the most straightforward upgrade on this list and a guaranteed win for anyone wanting a quick, noticeable improvement.
Nantucket Wall-Mount Sink: Free Up Countertop
If your biggest enemy is the bulky vanity cabinet itself, a wall-mount sink is your answer. By mounting the basin directly to the wall, you can eliminate the cabinet underneath entirely. This dramatically opens up the floor space, making the entire bathroom feel twice as big.
A compact ceramic model like those from Nantucket Sinks offers a true residential feel. It’s solid, easy to clean, and brings a touch of class that plastic just can’t match. You get a functional basin without the visual and physical weight of a vanity consuming the lower half of your bathroom.
The major consideration here is twofold. First, you need a reinforced wall capable of supporting the sink’s weight, especially during travel. Second, you lose all of your under-sink storage. This solution works best for those who have already planned for storage elsewhere, like in an over-the-toilet cabinet or a nearby closet.
Elanti Undermount Sink: A Sleek, Seamless Look
For the ultimate in clean lines and countertop utility, nothing beats an undermount sink. Mounted beneath the counter, it creates a completely flat, unbroken surface from edge to edge. This not only looks incredibly sleek but is also supremely practical—you can wipe water and spills directly into the sink with no lip to catch grime.
A small, rectangular stainless steel undermount sink from a brand like Elanti can make a tiny countertop feel expansive. The absence of a sink rim visually declutters the surface. This design choice forces you to have a solid-surface countertop (like butcher block, quartz, or Corian), which is an upgrade in itself.
This is undeniably the most complex installation. It requires precise cutting of a solid countertop material and is not a simple swap-out for a drop-in model. However, for those undertaking a more significant bathroom remodel, the result is a highly functional, easy-to-clean, and professional-looking setup that truly maximizes the utility of your counter.
Installation Tips for Your New RV Bathroom Sink
Before you buy anything, measure everything. Measure the countertop cutout, the depth of the cabinet, the distance to the wall for faucet clearance, and the location of the existing plumbing. RVs are notorious for having non-standard dimensions and plumbing in awkward places. Assume nothing.
Pay close attention to weight and materials. A beautiful porcelain vessel sink is heavy. You must ensure your countertop and the wall it’s attached to can handle that weight bouncing down a rough road. This is why lightweight acrylic and ABS sinks are so popular in RVs—they are designed for motion.
Finally, understand your plumbing. Most RVs use PEX tubing with crimp or clamp fittings, which differ from typical home plumbing. When you connect your new drain and faucet, use high-quality plumber’s putty or silicone for the drain flange and Teflon tape on any threaded connections. After installation, pressurize the system and meticulously check for leaks before you call the job done.
Your RV bathroom sink isn’t just a utility; it’s a critical component that dictates the flow and feel of your entire space. By choosing a replacement that prioritizes smart design over sheer size, you can transform a cramped, dated bathroom into one that is open, modern, and perfectly suited to life on the road. The right choice will make every inch count.
