can i enter without being vaccinated against covid?

It is optional, but there will be many people there so think about both options.

Yes, you can. Masks are only mandatory in employees. Don’t recommend not wearing one, though.

From Disneyland’s website: “The state of California strongly recommends that all guests be fully vaccinated or receive a negative COVID-19 test prior to entering the theme parks. Guests will not be required to show proof of vaccination, but vaccinated guests must self-attest that they are in compliance prior to entry. All guests must attest that they are aware of the state of California’s strong recommendation that guests will be fully vaccinated … “

Yes

Yes, mask requirements have also been lifted.