Reviews by Guests can be found at the following sites:

VRBO/Vacation Rental by Owner:
Casa Paso Fino (5 bedrooms, entire house):  http://www.vrbo.com/468073/reviews/
Casita Bougainvillea (2nd floor, 3-bedroom casita):  http://www.vrbo.com/446775/reviews/
Casita Tia Maria (1st floor, 2-bedroom casita):  http://www.vrbo.com/452444/reviews/

Trip Advisor
http://www.tripadvisor.com/VacationRentalReview-g147326-d4014295-Casa_Paso_Fino-Isla_de_Vieques_Puerto_Rico.html

Flip Key  
http://www.flipkey.com/vieques-vacation-rentals/p500382/