Sanctuary of the Red Squirrel, former location of asparagus fields, and home to about 1/3rd of the Liverpool Football Club squad who have really brought the area down.
Formby isn't actually all that posh, on the whole: rather, it's some of the residents of Freshfield - which claims to be a town in its own right independent of Formby, despite what maps will tell you (see the Wikipedia entry) - who are on seven-figure salaries and drive cars worth six.