You can obtain a residence permit through investment in the Portuguese economy, with a minimum amount of €280,000 or more.
Golden Visa’s main advantage is the minimum requirement to stay/reside in Portugal.
A foreign national entering into marriage with a citizen having a permanent residence permit in Latvia (resident) may apply for:
Any citizen of a non-EU country who will make an investment of at least €280,000 in the Portuguese economy.
* in the case of purchase of property over 30 years of age