There are two kinds of visa ban in Dubai. Since you may see, the Oman visa rules are nothing from the ordinary. No there are means to go to Bahrain without needing to get in touch with the embassy directly. Sponsors may be an individual, a business or an institution. Citizens of different countries should have a guarantor (Bahraini business entity or a Bahraini individual) to acquire a visa. A health examination is a requirement and fees are applicable.