University dorms, state park lodges and other accommodations often include both single and double rooms. Nobody feels alone as the joint activities draw everyone together. The organization forms caravans of RVs operated by singles, and holds rallies and campouts all over the country. There is a charge to join. Couples and singles mingle in shared experiences.
Many volunteers are single seniors.
The deals and adventures include many ideas for singles. Jean Allen welcomes questions about travel. Sorry, no personal replies.