In the town of Longyearbyen on Svalbard there are a number of bars and even a night club (Huset!) which we visited when being there for research for a couple of weeks. I remember we tried using Tinder while there and the only people nearby were those of us sitting together or in Tromsø (>900km away!) so not so successful :)

On field stations there is usually quite a good social scene with the other people there as the others have said. Since you are so remote you can form some very good friendships with people quite quickly, and getting to be in such a special place as the polar regions with someone is a great bonding experience.

On research ships, particularly in the Arctic, since the internet doesn't always work, you tend to play a lot of board games, or watch movies (many ships have a very big DVD collection) when taking a break from the research.