The Coastal Town boys defeated the Wellingara based-team 1-0 in their week-six match played at the National Technical Training Centre in Yundum last Wednesday.
Gunjur United previously slipped to PSV Wellingara 3-1, 1-0 and 2-1 before their week-six encounter.
The Coastal Town boys bagged the significant three points courtesy of defender Saikou Barrow's first half stunning header.
The win earned Gunjur United 8 points after six league outings while PSV Wellingara are with 10 points in six league games.
PSV Wellingara will affray to win their next league match to bounce back in the country's second tier after losing to Gunjur United in their last league outing.