Advice on the Big Island with young teens

Hi - we are planning a trip to the Big Island with young teens and would like some recommendations.  We will be going for 8 days and would like to split our time in two locations so we are not doing too much driving each day (half in Kona and half on Hilo side).  We would like some recommendations on places to stay that are condo style and also have ample pool space.  We would like to find at least one place (Kona side) that has tropical style pools with hot tub (and bonus if it has waterfall or slide for kids, or multiple pools). It would be nice if it also has tennis courts, but not critical. We are not familiar with where to stay in Hilo side, but again, we would like a condo style that has teen friendly pool. 

Have you stayed in a place that you really loved?

Thanks!