Allerton Garden, also known as Lāwai-kai, is a botanical garden, originally created by Robert Allerton and John Gregg Allerton, located on the south shore of Kauai, Hawaii. The garden covers an 80acre area and is situated beside the Lāwai Bay, in a valley transected by the Lāwai Stream. It is one of the five gardens of the non-profit National Tropical Botanical Garden.