Some good options are subscription-based services like Crunchyroll or Comixology. They offer a large collection and a quality reading experience. Also, check out local libraries, as they might have some manga available. It depends on your preferences and budget.
You can try popular manga reading platforms like MangaReader or Webtoon. They usually have a wide selection of versus manga.
I'd suggest looking on dedicated manga websites such as MangaPark or KissManga. They often have the latest updates and a user-friendly interface. Another option is to buy physical copies from bookstores or online marketplaces if you prefer having them in your collection.