My suggestion would be to bring it with you. Masks are notoriously different, and you do need one that fits correctly. Stop into a local dive shop and do some trying on. Most places carry snorkel sets, not too expensive. A dry snorkel would also be suggested. If your equipment leaks, you are so busy fighting that it detracts from the experience. It can be just a little cumbersome to pack, but, hey, you are probably bringing way too many clothes anyway.