The website www.fotografia101.com is the largest community of photographers in Puerto Rico. They also have a group in Flickr and they let you to post photos for the members to comment on them. Every single day the select a picture from their Flickr group to be feature a the Picture of the Day on their website.
On February 6, 2012, one of my pictures was featured as the Picture of the Day. So, once again, if you're into photography, don't be afraid and submit your work to all the different websites out there. Sooner or later you will start to see your work being published.