Villa Sandyline St Martin. Similar to a luxury resort property, the Villa Sandyline in the private Terres Basses community of St. Martinis a rare and remarkable find. For those who want a private paradise during their holiday, this five-acre property is more than just exclusive - it is unique and nearly unmatchable. Surrounded by lush and mature gardens, designed with architectural beauty in mind, and offering the finest amenities, it is the ideal location for a group holiday, a family vacation or even a private event.