I'm leaving for vacation in Aruba next week and feel the same way! I've lost 17 lbs and want to keep going. Thankfully my husband will be with me and is also doing well losing weight using MFP. The condo supposedly has Wifi, so hopefully we will be able to track our food while there.

If you cook/make 2 out of 3 meals and are sensible on the 3rd, you should be okay.

I know some people see vacation as an excuse to splurge, and that may work for them, but when I was losing weight I wanted to make a lifestyle change and my new life plan included vacation time. I didn't see overindulging in food as fitting into my new lifestyle, so I chose not to splurge in that way. To me, a splurge is a treat, and doing something that is bad for my body or my perception of myself isn't a treat...

Several years ago when I was working to lose weight I went on a 10-day vacation and managed to come home four pounds lighter than when I left. I thought it would be hard, but when I left for vacation I told myself that I would make it about the experiences and not about the food. I didn't stop logging my calories, I maintained my daily deficit, and was able to do lots of walking, hiking, biking, and swimming. I made tons of great memories - and I remember a lot about that trip but very little of what I ate during it. Point is, I still had an amazing vacation without focusing on food. And coming home to an extra few pounds lost was a fantastic reward!

IMO, if you want to keep losing while on vacation, go for it. If you want to just maintain, go for it. But either way, my two cents is to think about your overall plan and consider how vacations, special events, holidays, and all that will fit into your bigger plan even in the future.

Good luck, and have fun!!