You can absolutely give your bathroom a relaxed, coastal feel, and there are 18 straightforward ideas here to help you. The design style brings together light colors, sea-inspired details, and natural elements. These suggestions work for any bathroom size, showing you how to incorporate that ocean atmosphere, whether through old maps or even deep blue vanities.
Balance Your Vanity with Twin Gold-Framed Mirrors

Source: ig: customcontractingma
Gold frames encase two round mirrors above a navy vanity. These frames are notably slim.
Deep Blue Walls Frame a Tiny Sailboat Display

Source: ig: maryneumannphotography
A small white shelf on a deep blue wall holds a miniature sailboat above a window.
It adds a nautical accent without overwhelming the space.
Mimic Nautical Stripes with Blue and White Tile Bands

Source: ig: suzannkletziendesign
You can create nautical stripes around bathroom walls with alternating bands of blue and white square tiles.
This pattern adds a distinct coastal feel.
It keeps the look from feeling too busy.
Frame Your Sink with a Shipโs Wheel Mirror

Source: ig: hayleys_home_crafts_2020
Above a compact corner sink, a circular mirror is encased within a decorative shipโs wheel, complete with rope accents and blue and white painted spokes.
It comes complete with rope accents and blue and white painted spokes.
Go Whimsical with Whale Wallpaper and a Ship-Wheel Mirror

Source: ig: annsackscanada
A bold whale print wallpaper and a round, woven mirror are playfully combined in your bathroom, a whimsical pairing of distinct patterns and textures.
A playful combination.
Contrast Rope Texture with Busy Sailboat Wallpaper

Source: ig: brickandbeamstudio
Use a thick rope border around a round mirror.
It offers a tactile contrast to wallpaper busy with sailboats and coastal scenes.
Penny Tile Backsplash Adds Coastal Texture Behind Rattan Mirrors

Source: ig: marinehomecenter
Small, hexagonal blue and grey penny tiles cover the wall behind two round mirrors. Each mirror has a white frame with natural rattan accents.
You can use this behind round mirrors in your bathroom.
The mirrors themselves have white frames with natural rattan accents.
Penny Tile Stripes Create a Nautical Shower Accent

Source: ig: peytonlambton
Your shower walls and floor are covered in horizontal bands of dark blue and white penny tile. Itโs a classic stripe pattern that uses these two colors.
This creates a classic stripe pattern.
Give Your Double Vanity Porthole Mirrors

Source: ig: kepinteriors
Oval mirrors with nautical hardware sit on either side of a double vanity. Theyโre styled like traditional ship portholes.
Pair Porthole Mirrors with Whale-Patterned Wallpaper

Source: ig: giulianodesigns
If your vanity area needs a whimsical maritime theme, pair playful wallpaper featuring small blue whales with a round mirror designed like a nautical porthole.
Ground Your Palette with a Deep Navy Vanity

Source: ig: homeupnord
You can ground your bathroomโs palette with a deep navy vanity. Itโs a rich color that contrasts well with white tiles and light walls.
Round Mirror Hung With Thick Rope Adds Maritime Flair

Source: ig: whitneydurhaminteriors
Let a thick rope loop hang a dark-framed round mirror above your blue vanity, giving the simple fixture a distinct coastal character.
Frame Whale Wallpaper with a Thick Rope Mirror

Source: ig: theeastcoastmamarazzi
Over your sink cabinet, install a mirror framed with thick, braided rope to complement playful whale-patterned decorated surfaces. The natural texture of the rope lends a coastal atmosphere, amplifying the marine subject.
Wrap Your Walls and Ceiling in Navy and White Stripes

Source: ig: prettyhappyhomes
Wrap your walls and ceiling in bold navy and white stripes for a graphic pattern. You might also add framed nautical art.
Nautical Chart Wallpaper Creates a Bold Statement Wall

Source: ig: theeastcoastmamarazzi
If youโre looking for a dramatic focal point, consider covering your walls with a detailed nautical chart pattern. The busy map design balances well with a simple white vanity and beadboard wainscoting.
Frame Coastal Shelf Decor with a Round Wood Mirror

Source: ig: chinneryhome
A simple round wooden mirror hangs above the vanity space, where a shelf below displays small potted plants, a model sailboat, and a white starfish for a final accent.