Both houses are designed for narrow lots with no windows on both sides. Big windows are directed towards view. These houses are easy and cheap to build.
Direct links to these contemporary beach house plans:
CH152 - 2F/182M/3B
CH151 - 2F/225M/3B
CH152 - 2F/182M/3B from inside
CH152 - 2F/182M/3B front view