A bill to amend the act establishing the Indiana Dunes National Lakeshore to provide for the expansion of the lakeshore.

Revises the Federal law establishing the Indiana Dunes National Lakeshore to allow for the expansion of the Lakeshore. Authorizes the acquisition of land and interests in lands surrounding the Lakeshore area. Changes the size and composition of the advisory commission.

Authorizes the appropriation of an amount not to exceed $88,688,000 for the acquisition of land, and not more than $8,500,000 for development.