They move up to second in Shimmin Wilson Manx Bowl
Vikings beat Castletown 36-12 at Poulsom Park to move into second place in the Bowl standings.
The Peel men led 12-0 at half time after tries from Danny Howard and Harry Goodwin plus a Ryan Burke conversion.
In the second half, Vikings forged ahead with tries from Tobie Vermeire and Jack Goodwin before Town hit back with a Jim Emmett interception try converted by Kunal Patel.
Tries from Peter Crowe and Sam Tarpey soon restored the balance for Vikings before a late Paul Drake try gave Town some consolation.