just searched on sulit and found someone who's listing some prices:

a. Nipa Cottage VIP size with table ( 4 x 4 feet ) Php 10,80000
b. Nipa Cottage Family size with table ( 6 x 6 feet) Php 15,500.00
c. Nipa Cottage Party Size with table ( 6 x 12 feet ) Php 28,600.00
d. Nipa House Single - One (1) bedroom w/ sink ( 6 x 14 ft ) Php 41,600.00
e. Nipa House Double- One 1 bedroom w/ Attic & sink ( 6 x 14 ft ) Php 52,000.00

Hmmm, are these prices decent? btw i'm only interested in a. or b.