Stand pineapple upright; vertically cut about a third from 1 side, leaving the top attached. Remove fruit and discard outer peel from the smaller section. Remove fruit from the large section, leaving a 1/2-in. shell.
Chop fruit; place in a large bowl. Add the cantaloupe, strawberries, blueberries and lime juice; toss to coat. Place in pineapple shell.
In a small bowl, combine the sauce ingredients. Serve with fruit.