No Israel does not have to confer the right except perhaps in the case of secular marriage. But same sex marriage is out of the question. The Tenach makes it clear, marriage is the union of a man and a woman, period. No exceptions to the rule. That's God's word on it.
Three minors arrested in Jaffa for throwing rocks at a bus; no injuries reported (Haaretz)
from the article: Israeli government must confer the right to marriage for all