Since you asked, I do think it is odd that your grandchildren sleep with you if you have other accommodation available for them. Also, a nine-year-old should be able to bathe or shower alone. I would worry more about lack of independence at that age than anything improper, but at age 9 I would expect a boy to be more modest than you are describing.
Free printable topographic map of Morro Bay (aka Moro Bay and Bernard's Bay) in San Luis Obispo County, CA including photos, elevation & GPS coordinates.
Mission Bay, Florida. Mission Bay was a census-designated place (CDP) located in an unincorporated area near Boca Raton in Palm Beach County, Florida, United States. The population was 2,926 at the 2000 census. While it is not officially in the City of Boca Raton, the community is frequently classified under its umbrella term.