Totton trio Ben Mayes (4-34)l, Billy Lightfoot (3-19) and Yanis Dibden (2-10) did the damage as Sparsholt were dismissed for 123 (Nas Alon 39) before Tom Cheater hit an unbeaten 52 and Mayes 34 not out. Fred Gurney took 2-16.
Ferndown had benefitted from semi-final walkover - Portsmouth conceding - and in the final were beaten by 42 runs, Mayes (36) and Lightfoot (33) top scoring in Totton's 156-6.
Ferndown made 112 all out, opener James Stephenson hitting two sixes and five fours in a hard hit 42 and Cam Golding 24. They were undone by Lightfoot's spell of 5-20 and Jake Mills 3-13.