Maids started well with a Dale Taylor try, well converted by Scott Harris.
Maidenhead regained possession after the kick-off and passed the ball out but a knock-on gave Marlow possession following the scrum.
The ball was dropped by Marlow and Mark O'Haire collected it to score with another good conversion by Harris.
Marlow fought back before the break and scored a try of their own.

Marlow kicked off the second half with Liam Henwood catching the ball but was overpowered losing possession until Maidenhead was given a short penalty.
Despite this Marlow regained possession and broke through a lacklustre defence to score.
Following the re-start the Maids gained ground finally winning a scrum five with the ball passed out to Taylor who side-stepped Marlow's defence to score.
Mark O'Haire then intercepted a pass and, following some good handling by the backs, the ball was passed out to Andrew McEwan who was tackled as he crossed the line and had the try disallowed.
Maidenhead won the resultant scrum with the ball passed to Billy Price who dived over to bring the score to 24-10.
Marlow re-started with Alex Hughes catching the ball and taking it forward until tackled, but Maids kept possession with good play by Taylor resulting in the ball being passed out to James O'Reilly who scored.
Another two tries, with Taylor showing a quick turn of speed and a charge over the line by Jay Marshall, brought the final score to 41-10.