Police were called to Goring on Monday morning (23 October) following reports of suspected drugs washing up on the beach.
The packages will be taken for forensic testing along with the substances which were found in Selsey on 19 October, Middleton and Felpham on 13 October and Ferring on 12 October. An investigation is ongoing alongside partner agencies to find the source of the substances.
The public are reminded of the dangers of illegal drugs and urged not to touch or attempt to remove them. Please report any sightings to police by calling 999.
If you have any information or footage, contact police online or call 101, quoting serial 313 of 23/10.