The West Indies top order ensured the match against Papua New Guinea was effectively over by the end of the first innings.
Centuries from Tishan Maraj (117) and Lendl Platter-Simmons (107) and fifties from Xavier Marshall (52) and Assad Fudadin (59 not out) were the key contributions to a formidable total of 371 for 3 in 50
In reply Papua New Guinea batted out 44.2 of their 50 overs to reach 219 all out. Asad Vala was their most impressive performer, ending the match not out on 84.
Maraj was named Man of the Match.
The win for West Indies means that Pakistan have also qualified for the Super League from Group D before the final round of matches.