I started with one stubborn requirement: the bedroom had to feel coastal without looking like a rental near a souvenir shop. A white IKEA UPPLAND armchair measures about 43¼ inches wide and 36¼ inches deep, giving the room a real reading corner instead of a decorative afterthought.
From there, I kept the palette quiet: white bedding, faded blue, linen at the window, and one warm woven or wood element. The result feels comfortable and collected, with enough structure to keep the softness from becoming bland.
Anchor the Room With Soft White
Start with white bedding and let the bed remain visually quiet. A Quince European Linen Duvet Cover Set starts at about $154, giving the largest surface a relaxed texture without making the room feel themed.
I’d keep the sheets, duvet, and most pillows in white or oatmeal, then bring in blue through smaller pieces. That restraint matters: the room should feel collected over time, not decorated around a beach souvenir.
Choose a Chair With Real Presence
The reading corner needs a chair that looks comfortable enough to use. The IKEA UPPLAND slipcovered armchair in Blekinge white is listed at about $529 and measures roughly 43¼ inches wide by 36¼ inches deep, so check the floor plan before ordering.
Its pocket-spring seat and high-resilience foam make more sense than a tiny accent chair that only fills a corner. Add one faded-blue cushion, then leave the rest of the chair mostly uncovered so the slipcover remains part of the style.
For a more traditional cottage silhouette, the Pottery Barn Buchanan Slipcovered Chair runs about $1,299 to $2,049 depending on fabric. It is narrower than the UPPLAND but nearly as deep, which makes it handsome and surprisingly demanding in a small bedroom.

Frame the Window With Linen
Use curtains to soften the room rather than add another bold pattern. The IKEA DYTÅG linen curtains are light-filtering, made from 100% linen, and listed at about $99.99 per pair.
Each panel is roughly 57 inches wide and 98 inches long, so measure the window and rod position before purchasing. Hang them high and allow the fabric to fall close to the floor; a shiny sheer would push this bedroom toward a generic rental look.
Repeat Blue in Useful Places
Blue works best when it appears in practical objects instead of a wall-to-wall color scheme. A Target Threshold ceramic lamp in blue costs about $40 at regular price, stands roughly 17½ inches tall, and fits a compact nightstand without overwhelming it.
On a larger chest or dresser, the Target Threshold designed with Studio McGee large ceramic lamp is listed at about $90. Its 23-inch height and broad shade need breathing room, but the scale gives a quiet bedroom more visual weight.
Repeat the blue once more in a faded textile, such as a small lumbar pillow or woven throw. The color should echo the lamp and rug, not compete with the white bedding.

Ground the Bed With Natural Texture
A warm woven element keeps the white furniture from feeling too polished. The Quince Millie Hand-Braided Jute Rug in Indigo Blue is listed at about $399.90 for the selected 8-by-10-foot size and combines a natural fiber with a restrained blue border.
That border does useful work because it links the rug to the accents without turning the floor into a nautical statement. Jute has a firm, rustic feel, so place it where bare feet will meet the softer edge of the bed rather than expecting it to feel plush.
If the room already has wood flooring, add one warm wood piece, such as a simple stool or small chest. A worn finish is more convincing here than a matching furniture set.
Mix Old Shapes With Fresh Covers
The coastal-grandmother look depends on contrast: a rounded upholstered chair beside a simple wood nightstand, or blue-and-white ceramics against plain linen. I’d use one or two blue-and-white ceramic pieces on a dresser and stop before the surface becomes a collection display.
A slipcover makes the room feel relaxed because it suggests use and upkeep at the same time. The Pottery Barn Buchanan Slipcovered Ottoman costs about $949 to $1,449 in the listed range, so treat it as an optional luxury rather than a required finishing piece.
Keep the accessories personal and slightly imperfect. One framed coastal print, an old-looking bowl, and a folded textile will carry more character than a room full of shells.

Begin with the bed, then place the chair and measure the walking path before buying anything else. Once those two pieces work together, add blue in small, useful doses and let the room’s texture do the rest.
Mia Carter writes about small-space living and budget home makeovers. She has restyled three rentals and tests most ideas in her own 45 sqm flat.