We're traveling to Costa Rica during the last week of August, spending 3 nights in Arenal area, 4 nights in Manual Antonio (Tulemar). We have two young kids, ages 3 and 5 and will have a rental car for transport from site to site. Hotel decision in Arenal area is down to Lost Iguana, Hotel el Silencio del Campo, and Los Lagos. We plan to do some exploring/activites and spend some time at the pool. I'd love input on these three hotels from people who have stayed with or visited them, especially with young kids. Any extra input on great activities for kids this age would be much appreciated as well!