Tile: porcelain is the default for good reasons
Porcelain is dense, low-absorption and dimensionally stable, which is exactly what a wet room in a humid climate needs. Modern porcelain convincingly reproduces marble, limestone, terrazzo, concrete and wood, so choosing it rarely means compromising on appearance.
Natural stone remains an option for vanity tops, accent areas and floors outside the shower, but it needs sealing on a schedule and is vulnerable to etching from ordinary bathroom products. Used knowingly, it is beautiful; used by default, it becomes a maintenance obligation nobody agreed to.
- Check the slip-resistance rating for any tile used on a floor or shower base
- Large-format tile needs a very flat substrate — budget for floor preparation
- Smaller mosaics on a shower floor provide more grout lines and better grip
- Order an overage allowance so a shortfall does not stop installation mid-job
Grout and sealant
Grout is not waterproofing; the membrane behind the tile is. Grout's job is to fill joints and resist staining. High-performance cementitious grouts handle most residential bathrooms well, while epoxy grout offers greater stain and chemical resistance at the cost of a more demanding installation.
Change-of-plane joints — inside corners, wall-to-floor transitions, around the curb — should be filled with a flexible sealant rather than rigid grout. Those joints move, and grout placed there cracks. It is a small detail that accounts for a large share of the cracking homeowners see.
Countertops
- Quartz: no sealing, highly stain-resistant, consistent appearance — the practical default
- Porcelain slab: extremely durable and heat-resistant, with fabrication that requires an experienced shop
- Natural stone: distinctive and beautiful, but requires sealing and etches from common products
- Solid surface: seamless with integrated bowls, softer and more prone to scratching
Cabinetry in a humid climate
This is where quality differences show fastest. Plywood boxes with a durable finish tolerate bathroom humidity far better than particleboard with thermofoil wrap, which delaminates at edges and around the sink over time.
Practical specifications: soft-close drawer hardware, full-extension slides, a drawer cut around the plumbing rather than a single fixed shelf, and toe-kick or wall-mount construction that keeps the box off the floor. A floating vanity also makes cleaning easier and helps a small room read larger.
Fixtures and finishes near the coast
Brushed nickel, quality chrome and PVD-coated finishes generally handle salt air well. Living finishes such as unlacquered brass will patina considerably faster here than inland — which is wonderful if that is what you want and disappointing if nobody mentioned it.
Valve quality matters more than the visible trim. A well-made pressure-balancing or thermostatic valve with readily available parts is worth more over a decade than an unusual spout shape.
Glass
Frameless enclosures in thicker tempered glass with solid hardware look better and feel more substantial than framed sliders, and they leave a small bathroom visually open. Protective coatings reduce mineral spotting but do not eliminate the need for a squeegee, particularly on hard water.
Glass is fabricated after tiling from field measurements, so it is the last item installed. Plan the schedule around that rather than being surprised by it.
Ventilation is a material decision too
An exhaust fan sized for the room and ducted fully to the exterior — not into an attic or soffit cavity — protects everything else in the list. In South Florida the fan is doing real work year-round. A quiet unit gets used; a loud one does not, which makes noise rating a functional specification rather than a comfort preference.