Psychology suggests that people who feel drawn to the ocean aren’t just being sentimental: research on “blue spaces” finds that time near water is linked with lower stress, better mood, and a restorative state of effortless attention — the kind of calm, lightly absorbed focus that can feel almost meditative.

The pull of the ocean is easy to dismiss as romance. People say they need to see the sea, hear waves, or sit by a canal, and the explanation often gets reduced to nostalgia, holiday memory, or pers...