According to the Quran heaven and hell exist at present. However, they will become fully apparent and represented only in the Hereafter at which time each person, according to his actions, beliefs, and ethical behavior, will be led to his eternal abode.
THE HELL AND HEAVEN ARE ALREADY PREPARED BY ALLAH
2:24 And if you cannot do this; and you will not be able to do this; then beware the Fire whose fuel is people and stones, IT HAS BEEN PREPARED for the rejecters.
3:131 And be aware of the Fire THAT HAS BEEN PREPARED for the rejecters.
3:133 And race towards forgiveness from your Lord and a Paradise whose width encompasses the width of the heavens and of the earth; IT HAS BEEN PREPARED for the righteous.
4:18 And there will be no repentance for those who commit sin then when death comes upon any one of them he says: “I repent now!” Nor for those who die while they are rejecters. For those WE HAVE PREPARED a painful retribution.
4:37 Those who are stingy and order the people to stinginess, and they conceal what Allah has given them from His bounty. And WE HAVE PREPARED FOR THE REJECTERS A HUMILIATING RETRIBUTION.
4:93 And whoever kills a believer intentionally, then his recompense shall be Hell, abiding therein, and Allah will be angry with him, and curse him, and FOR HIM IS PREPARED A GREAT RETRIBUTION.
4:102 And if you are with them and you (O Muhammad) establish for them (AQAMATA) the Salat, then let a group from among them stand with you and let them bring their weapons; and when they have Surrendered then let them be behind you; and let a group who has not yet made the Salat come and make the Salat with you, and let them be wary and let them bring their weapons with them. The rejecters hope that you would neglect your weapons and goods so they can come upon you in one blow. There is no sin upon you if you are impeded by rainfall, or if you are ill, that you place down your weapons. And be wary. ALLAH HAS PREPARED for the rejecters a humiliating retribution.
4:151 These are the true rejecters; and WE HAVE PREPARED for the rejecters a humiliating retribution.
4:161 And for their taking of usury, while they were prohibited from doing so, and for their consuming the money of the people unjustly. WE HAVE PREPARED for the disbelievers among them a painful retribution.
9:89 ALLAH HAS PREPARED for them estates with rivers flowing beneath them, abiding therein. Such is the great gain.
9:100 And those who came early and quickly from among the emigrants and the supporters, and those who followed them in goodness; Allah has accepted them, and they have accepted Him; and HE HAS PREPARED for them estates with rivers flowing beneath them, abiding therein eternally. Such is the great triumph.
17:10 And for those who do not believe in the Hereafter, WE HAVE PREPARED for them a painful retribution.
18:29 And say: “The truth is from your Lord, so let whoever desires believe, and whoever desires reject.” WE HAVE PREPARED for the wicked a Fire whose walls will be surrounding them. And if they cry out, they are given a water like boiling oil which burns their faces. What a dreadful drink and what a miserable place!
18:102 Did those who reject think that they could take My servants as allies besides Me? WE HAVE PREPARED Hell for the rejecters as a dwelling.
25:11 But they have denied the Hour, and WE HAVE PREPARED for those who deny the Hour a flaming Fire.
25:37 And the people of Noah, when they denied the messengers We drowned them, and We made them a lesson for the people. And WE HAVE PREPARED for the wicked a painful retribution.
33:8 So that the truthful may be asked about their truthfulness, and HE HAS PREPARED for the rejecters a painful retribution.
33:29 “But if you are seeking Allah and His messenger, and the abode of the Hereafter, then ALLAH HAS PREPARED for the righteous among you a great reward.”
33:31 And any of you who is dutiful to Allah and His messenger, and does good works, We will grant her double the recompense, and WE HAVE PREPARED for her a generous provision.
33:35 Surely, the submitting males, and the submitting females, the believing males, and the believing females, the dutiful males, and the dutiful females, the truthful males, and the truthful females, the patient males, and the patient females, the humble males, and the humble females, the charitable males, and the charitable females, the fasting males, and the fasting females, the males who keep covered their private parts, and the females who similarly keep covered, and the males who commemorate Allah frequently, and the commemorating females; ALLAH HAS PREPARED for them a forgiveness and a great recompense.
33:44 Their greeting the Day they meet Him is: “Peace” and HE HAS PREPARED for them a generous recompense.
33:57 Surely those who harm Allah and His messenger, Allah will curse them in this world and in the Hereafter; and HE HAS PREPARED for them a shameful retribution.
33:64 Allah has cursed the rejecters, and HE HAS PREPARED for them Hell.
48:6 And He will punish the hypocrite males and the hypocrite females, and the polytheist males and the polytheist females; they think evil thoughts about Allah. Their evil will come back to them, and Allah was angry with them, and He has cursed them and PREPARED FOR THEM Hell. What a miserable destiny!
48:13 Anyone who does not believe in Allah and His messenger, then WE HAVE PREPARED for the rejecters a Fire.
51:34 PREPARED BY YOUR LORD for the transgressors.
57:21 You shall race towards forgiveness from your Lord, and a Paradise whose width is as the width of the heaven and the earth, PREPARED FOR THOSE who believed in Allah and His messengers. Such is the grace of Allah that He bestows upon whoever He wills. Allah is the Possessor of Infinite Grace.
58:15 ALLAH HAS PREPARED for them a severe retribution. Miserable indeed is what they used to do.
65:10 ALLAH HAS PREPARED for them a severe retribution. Therefore, you shall be aware of Allah, O you who possess intelligence and believed. Allah has sent down to you a remembrance.
67:5 And We have adorned the lower heaven with lamps, and We made it with projectiles against the devils; and WE PREPARED for them the retribution of the blazing Fire.
76:4 WE HAVE PREPARED for the rejecters chains and shackles and a blazing Fire.
76:31 He admits whom He wills to His mercy. And as for the wicked, HE HAS PREPARED FOR THEM a painful retribution.