We went for my wife's 40th birthday with multiple families with kids. It was a perfect venue and stay that was closer to the Liberia airport vs Fortuna. We had Tucans on the property, parrots, and plenty of beautiful birds. There is enough distance from each of the villas that gave you some privacy, but close enough to also feel together easily. One issue you can run into in being in the jungle is bugs, but there were no mosquitos or any issues at all staying here, definitely nothing in the houses either.
Nuevo Arenal is the local town about 10 min down the road, with some great food options and local stores to get provisions as needed. Definitely more locals and low key, which was nice.
The host, Coltin, was phenomenal. We had several issues arise, including forgetting an important bag at the rental car agency at the airport, and Coltin was there to help and use local connections to get it all solved (even went to pickup the bag himself!). He also arranged special cake for the birthday, balloons, and was incredibly responsive. 10/10 for him.
Overall, great experience.