A weakened Vagabonds side was comprehensively thrashed 55-3 by promotion favourites Widnes.
Vagas were still in touch at half-time, trailing 10-3 with their only points coming via a Jonny Beckley penalty.
However, Widnes turned on the style in the second half, running in eight unanswered tries to take the spoils.
FA acknowledges "discouragement" towards summer league
Officer says efforts ongoing to entice more into taking part
Michael Dunlop receives MBE in King's Birthday Honours
Most successful TT rider in history recognised for services to motorcycle racing
Football: IoM women looking forward to Kendal Town test
Manx squad to welcome Cumbrian opponents to The Bowl this weekend
FC Isle of Man to face Brackley Town in first pre-season friendly
Ravens to host National League opposition in Ramsey