For Sale. USD1,200,000 Beachfront Property, Colonial Houses, Villas. 72 perches property loed directly on the beach in Thalpe, between Habarduwa and Unawatuna area. Thalpe is officially the most expensive beach in Sri Lanka... More Details. 72 Perches / 19602 Sq Ft 4 Bedrooms 4 Bathrooms.