Gold Award Winner for Best Large Community in NAHB Best of American Living Competition full of greenway parks, lakes, hike and bike trails, and entertainment amenities. Grand Lakes is a 1,250-acre master-planned community served by the highly rated Katy Independent School District. The community is conveniently located in the beautiful area of Katy with easy access to the Grand Parkway, Interstate 10, and the Westpark Tollway.