Straightforward rooms & a free breakfast buffet, plus a gym, an indoor pool, a hot tub & a sauna.. Hotel Welcominns, exception on the south shore of Montreal, in Boucherville the hotel offers 166 spacious rooms, and also meeting rooms for your conferences and corporate events. Looking Longueuil hotel? Located right Longueuil, welcommins hotel offers quality rooms. Considered a cheap hotel on the south shore, come see the difference in Boucherville.