Coastal Interior Design: Light, Airy and Relaxed

Coastal design grew from real seaside homes, from New England shingle cottages and Cape Cod houses to beach bungalows in California and Florida. These houses had to handle salt air, sun and sand, so owners chose painted wood paneling, durable natural fibers and washable slipcovers. Large windows and porches captured breezes and water views, and interiors stayed light to match the bright coastal sun.

The philosophy is relaxation. A coastal room should feel like a vacation: unfussy, bright and easy to live in. Unlike nautical decor, which relies on anchors, ropes and stripes, modern coastal design suggests the sea through color, texture and light. It also has regional variations, such as the crisp whites of the Hamptons or the warmer terracotta and stucco of Mediterranean coasts.

Start with walls in a warm white or pale sand and replace heavy drapes with sheer linen or woven bamboo shades. In the living room, a slipcovered sofa, a jute rug, a rattan armchair and a whitewashed coffee table form the base. Add soft blue and green pillows, a large framed seascape or abstract print, and one big leafy plant such as a palm or bird of paradise.

Bedrooms suit white or pale blue bedding in washed cotton or linen, a woven headboard and a sisal rug. Bathrooms can take beadboard wainscoting, matte white tile, a light wood vanity and seeded glass sconces. Kitchens benefit from white or pale blue-gray Shaker cabinets, a light stone counter and woven pendants. Natural fibers are affordable, so the look is easy to achieve on a budget.

Daylight is the soul of coastal style, so photograph your room on a bright day with curtains open. The generator keeps your walls, windows and perspective, then adds light woods, woven textures and soft blues around them. You do not need an ocean view, because the coastal feel comes from materials and color rather than from what is outside the window.

Steer the mood with simple phrases: 'Hamptons coastal, white linen sofa, navy accents, keep the fireplace' or 'warm Mediterranean coastal, terracotta and sand.' If the result leans too nautical, ask for no stripes or rope decor. If it feels flat, add 'rattan pendant and seagrass baskets.' Try a few variations, then compare them with boho or Scandinavian versions of the same room.