Can we get to heaven if we aren't baptized?
It logically follows that we get water baptized after we believe the gospel and are saved (Acts 10:43-47), but if you are on your death bed and cannot get baptized before your death, you are still saved because you
BELIEVE (Acts 10:43; 13:39; 16:31; Romans 1:16; 4:5; 1 Corinthians 1:21 etc..) which is in harmony with Mark 16:16(b)
..but he who does not believe will be condemned. *NOWHERE does the Bible mention "water baptized or condemned."
Certainly, water baptism is an important act of obedience. Any one professing to believe in/have faith in/trust in Jesus for salvation and yet refusing to be water baptized is of questionable sincerity. It's unthinkable that anyone who truly believes the gospel would refuse to be water baptized. I could not wait to get water baptized after my conversion and I cannot think of one Christian that I know who has refused to be water baptized after their conversion.
Water baptism would have no meaning without Christ’s death, burial and resurrection, but Christ’s death, burial and resurrection would still have meaning, even if there were no water baptism. In other words, Christ’s death is the substance and baptism is the sign/symbol/picture. Without the substance there would be no sign/symbol/picture.
Water baptism put it in it's proper place,
subsequent to salvation through faith in Christ as all rites and works must be. Baptism is for believers, and believers are already saved the moment that they place their faith (belief, trust, reliance) in Jesus Christ alone for salvation. The Bible says we are saved by grace through faith, not by rites or religious works, or good works (Ephesians 2:8,9; Titus 3:5; 2 Timothy 1:9). This does not remove good works/acts of obedience (including water baptism) from the Christian life, it just puts them in their proper place,
subsequent to regeneration and salvation.