However, De Villiers bowled Dwayne Smith and Hamilton Brown with his first two deliveries as the Sharks' Champions League adventure was ended early.
Adam Crosthwaite dug in for an hour and a half for 36 before Dwayne Smith ran through the tail for figures of 3-50.
BBC: Samuels hit two sixes and five fours in his half century
Dwayne Smith hit his maiden one-day international 50 for the West Indies as they mustered a wholly reachable 124-7 in a match shortened to 25 overs.
After the morning session had been lost because of overnight rain Chaminda Vaas dismissed Narsingh Deonarine for seven and Dwayne Smith for a duck, both lbw.
BBC: Vaas celebrates the dismissal of Dwayne Smith on day three
In the 'super over', the Eagles made 9-1, but CJ de Villiers castled Dwayne Smith and Rory Hamilton-Brown with his first two balls to clinch the win.
After Kyle Hogg was run out by Dwayne Smith in only the fourth over of the day, Martin-Jenkins had to wait to make an impact in what play was possible.
Opener Shivnarine Chanderpaul, all-rounder Dwayne Smith and Bradshaw were included in the new line-up, replacing the injured Dwayne Bravo, who has a sore left shoulder, Runako Morton and Jerome Taylor.
But it was Dwayne Smith who was named Man of the Series after taking 3-24 from four overs to go with his match-winning 62 not out in the second game of the series.
Richards and Dwayne Smith added 22 before Richards fell in similar fashion to Bravo and the last five wickets went down in tame fashion for just 17 runs - Lungley picking up the last two to finish with 4-11 from 2.4 overs.
The pitch made expansive shots difficult, and Sussex kept the scoring at a respectable rate, collecting the wicket of dangerous opener David Warner in the eighth over courtesy of a superb diving stop and direct hit from Dwayne Smith at backward point.
Carlton Baugh (11) and Dave Mohammed (four) fell to Tareq Aziz and Enamul Haque Jr, but Dwayne Bravo kept Smith company to his century as they added 56 for the sixth wicket and was 21 not out when a halt was called.
应用推荐