The event – organised by County Antrim Grand Black Chapter and hosted by Antrim Royal Black District Chapter 3 – involved 79 preceptories and 75 marching bands.
Around 4,500 participants, comprising 2,500 sir knights and 2,000 band members, were on parade.
Six districts attended the demonstration – Lisburn No 1, Ballymena No 2, Antrim No 3, Larne No 4, Ballymoney No 5 and Ballyclare No 6.
Assembling at Fountain Hill, the parade made its way to the demonstration field on the Randalstown Road.
The procession route is via Fountain Hill, Fountain Street, Church Street, High Street, Bridge Street, Dublin Road and on to Randalstown Road.
The Last Saturday demonstration was last held in Antrim in 2017.
5. Last Saturday
Keeping in tune during Saturday's parade. Photo: Arthur Allison / Pacemaker Press
6. Last Saturday
Trying to keep dry during Saturday's parade in Antrim. Photo: Arthur Allison / Pacemaker Press
7. Last Saturday
Keeping the beat during Saturday's parade. Photo: Arthur Allison / Pacemaker Press
8. Last Saturday
Stepping out during Saturday's parade. Photo: Arthur Allison / Pacemaker Press