As someone who has never visited a club, beach or swim, I am very much a home nudist, and a frustrated one at that. This has got me into some situations I wish I hadn't sometimes, but I don't really regret now.
My first time nude was at a local swimming club when I was about 9 or 10 and the age group was 9-15 or 16. The club was in a local borstal, near Cardiff, and it had no changing rooms, so we all had to change on the side of the pool. Girls one side, boys the other. From what I remember, some of us boys weren't so shy about parading and messing around, but the girls were.
At school, when I started comprehensive, we were told by the teacher that we would have to shower after rugby, and shower naked. This brought gasps of horror from some of my classmates, and I was also a little bit anxious. After a while, it became second nature.
I then moved up to England a few months after starting that school. In the school up there, there was a swimming pool on the school site, but, like the borstal I attended for swimming lessons, had no dedicated changing rooms attached to it. These were in the main school building as the pool had been added some years later. This being the early 1980s and the school being fairly strict, we had to do swimming in the nude, but the pool did have frosted glass. From the outside, you could make out people were nude in the pool, but you couldn't make out who the people were or anything like that (this was especially good for us boys when the girls were in there and we were told off many a time by teachers as we dwelt outside the pool on our way to classes!! ;D). What nude classes meant was that the journey from changing room to pool had to be made down part of the corridor, while we were nude. So that meant 20-30 schoolboys running naked down a school corridor!!! The teacher would make sure that no-one was going to come along inadvertently. However, as the girls of our class used to do field sports when we were swimming (and vice-versa the following week), our class sometimes ran over and we had to make a mad dash back as the girls were coming off the field and going back to their changing rooms, which were next to ours. Sometimes they would get back as we were just leaving the pool for the 15 yard dash to the changing rooms and, sometimes they would see us and let out screams. That really used to get my heart pounding and I was seen a few times, as were a few of us tailenders.
However, my experimenting with my own nudity and being nude really started on a trip to the river with a mate from school when I was about 13. He was off down the river bank, but I decided to see what it was like being naked outside. So I decided I'd go under a tree and whip off my pants and just go in the water with nothing on. It felt great and, from there on in, I decided that I'd become a naturist and be nude as much as possible. I didn't know the term 'naturist' at the time, but I certainly knew the feeling!