What are the requirements to obtain a retirement visa in Thailand as an Irish citizen?

To obtain a retirement visa in Thailand as an Irish citizen, you must first apply for a 90-day Non-Imm-O visa through the Thai embassy's E-Visa system. Upon arriving in Thailand, you need to register your accommodation and will have 90 days to apply for a one-year extension of stay based on retirement. Financially, you must prove a monthly income of at least 65,000 THB or have 800,000 THB deposited in a Thai bank account for at least two months. Requirements also include some documentation like a certificate of residence, passport copies, and a fee of 1,900 THB. Health insurance is not mandatory for the extension, but it's beneficial to have.