This was our first trip to Costa Rica.  Prior to our stay, we had heard nothing but good things about Pacifico and the area in general so we had pretty high expectations and this trip exceeded our expectations in every way.  The trip started out with a short drive from Liberia Airport (LIR), which took less than half an hour, something we appreciated after a day of travel.  
The condo was immaculate, very nicely appointed, and the layout was perfect for our family. The spacious kitchen allowed us to experience cooking some of local foods from the nearby grocery stores, two of which are within walking distance of the condo. There are three pools within very close proximity to the condo and all were well-maintained and clean. Parking for our rental car was close by and plentiful. Pacifico is a perfect location for taking advantage of the "downtown" area.  The Pacifico staff was great in every way. The grounds were nearly as immaculate as our condo.  
As for the area, the local residents were incredibly friendly and helpful. We arrived in Costa Rica with a relatively loose plan for what we were wanting to do as we were traveling with a 4 and 6 year old, however, quickly filled our week with plans thanks to recommendations from local residents that were quick to strike up a conversation. One thing that stood out to us was all of the things you can do in the area that are budget-friendly. A day of snorkeling at Playa Penca has to be on anyone's list. 
I don't have enough room to discuss each restaurant in detail, but in an eight day trip we literally never had a bad meal and had several that were outstanding. You almost can't miss with any of the local restaurants.  The highlight was taking our catch from a fishing trip that originated just north of Soda Teresita (which is a MUST for breakfast) to Papagayo Seafood to have them prepare it for us.  It was simply incredible. Never thought I'd have the best friend chicken in my life in Costa Rica, but Pollos Crispy made it happen. 
I'm admittedly a homebody, but this was the first vacation I had taken in seven years in which I was not ready to go home.  I could have easily stayed another week.  We are already planning our next trip and hope to stay at Pacifico in  L-615. Exceptional experience.