The view usually wants south or west; the sun and the salt-laden wind usually don't. Resolving that conflict is most of what coastal orientation design is.
The view and the sun usually point the same way
On most coastlines north of the equator, the sea view faces roughly south or west, which is also where the strongest, longest summer sun comes from. A facade designed purely to maximise the view usually ends up overheated by mid-afternoon, with occupants closing the blinds on the exact opening that was the point of the design.
The fix is rarely to reduce the glazing. It is to control what happens in front of it: a deep enough overhang, a fixed louvre, or a covered terrace that blocks the high summer sun while letting in the lower winter sun, which approaches at a shallower angle and needs the warmth.
Getting the overhang depth right requires the actual sun angle for the site's latitude, not a rule of thumb borrowed from a different project. A depth that works at one latitude can underperform or overshoot badly a few degrees away.
Prevailing wind decides more than the compass does
Salt-laden wind is not evenly distributed around a coastal site, it usually arrives from one dominant direction, shaped by the local coastline and any headland or bay nearby. That prevailing direction, more than compass orientation alone, should decide which facade gets the most exposed materials and which gets the service functions.
A facade facing directly into the prevailing salt wind needs a materials palette suited to it, the same choices covered in our piece on exterior metal selection for coastal buildings. A facade turned away from it has real freedom to use less resistant, often cheaper finishes.
This is also where entrances belong on the sheltered side wherever the plan allows it, a door that takes the full force of a prevailing onshore wind wears its hardware out faster and is unpleasant to use on the building's worst days.
Glare off water is a different problem than glare off sky
A sea view brings a second light source most inland projects never have to deal with: reflected glare off open water, which shifts throughout the day and can be more intense at low sun angles, early morning and late afternoon, than the sun itself.
Standard solar shading calculated only for direct sun can under-perform against this reflected component, leaving occupants glare-affected even when the shading is doing exactly what it was designed to do against the sun.
Interior finishes matter here too: a highly polished floor facing a water view amplifies the reflected glare into the room a second time. A matte or textured finish in that specific sightline is a small, cheap decision that meaningfully improves comfort.
Designing for the storm days, not just the good ones
A coastal facade optimised only for the calm, sunny day it will spend most of its life in can perform poorly on the handful of days a year that actually stress the building: a storm surge, a period of sustained onshore gale, or a salt-fog event after a dry spell.
Operable openings need a genuine storm position, not just open and closed, shutters, storm screens, or glazing rated for the actual wind-borne debris risk of the site, sized from wind data rather than a generic coastal assumption.
Drainage deserves the same attention as glazing. A terrace or balcony facing the prevailing wind needs slope and drainage sized for wind-driven rain hitting the surface at an angle, not just vertical rainfall, a common oversight that shows up as standing water and staining within the first year.
The brief question worth asking first
Before a single sketch, we ask a client to rank three things in order: uninterrupted view, thermal comfort without heavy reliance on mechanical cooling, and low maintenance. Every subsequent orientation and shading decision is a trade-off between these three, and knowing the client's real priority order early avoids redesigning the facade after the fact.
Clients who rank view first usually accept more mechanical cooling and more frequent hardware maintenance. Clients who rank low maintenance first usually accept a more restrained glazing area. There is no version that maximises all three simultaneously.
Naming that trade-off explicitly, in writing, at the brief stage is what keeps a coastal project's orientation decisions coherent instead of a series of individually reasonable choices that don't add up to a working whole.