Adam Entwistle scored the decisive goal as Sleights beat Whitby RUFC in their Division One derby encounter.
The home side missed a string of chance before Charlie Smith’s half-volley put them ahead.
The top flight’s bottom team defended manfully and managed to go into the break level when Damon Craig got between the Sleights keeper and a defender for a tap-in.
Entwistle turned home Smith’s right-wing free-kick on the hour, and this strike proved enough for James Howard’s men.
Howard picked out Joe Leadley as his side’s man of the match.
Elsewhere in the first division, Filey Town were forced to work hard for a 2-0 home success over Cayton Corinthians.
Dave Brannan’s side dominated the game, but the visitors defended stoutly and it took until the 75th minute for Filey to make a breakthrough.
Ricky Tomlinson got on the end of a through ball and slid it past the Corinthians keeper, and shortly afterwards Liam Sugden was sent in on goal and finished neatly to double his side’s advantage.
Filey Town Reserves picked up a 4-1 home win over Seamer Sports Reserves in the only game to take place in Division Two.
Jordan Powell opened the scoring and Joe Gage added a second to send Town in 2-0 up at the interval.
Scott Sheldon and man of the match Billy Coyne got their names on the scoresheet in the second period to seal the three points for new Filey boss Lee Eblet.
Goal Sports maintained their unbeaten start to their debut season in the Saturday League, thrashing Filey Town 3rds 7-0 at Rudston in Division Three.
Mike Grayshan netted a first-half hat-trick of volleys from inside the box to claim his first ever treble in senior football.
Paul Hill then scored from a corner to make it 4-0 at half-time, before Dan Pickard added a fifth in the early stages of the second period.
Sixteen-year-old substitute Aaron Johnson, came off the bench and bagged a brace late on seal the win for Mark Plumpton’s side.
Sleights Reserves beat Fishburn Park Reserves 3-1 to claim the local bragging rights.
Sleights took a three-goal lead into the break, Ryan Roe netting a double and Jim Neil converting from the penalty spot before Jack Kipling pulled a goal back for Park in the second half.
New Spanish recruit Diego Romero was named Fishburn’s man of the match, while two-goal Roe was the star performer for the victors.