| Cover | Mar. 09, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 09, 2023 |
| Current Fiscal Year End Date | --12-31 |
| Entity File Number | 001-40861 |
| Entity Registrant Name | Monterey Bio Acquisition Corporation |
| Entity Central Index Key | 0001860663 |
| Entity Tax Identification Number | 85-2204842 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 17 State Street |
| Entity Address, Address Line Two | 21st Floor |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10004 |
| City Area Code | 917 |
| Local Phone Number | 267-0216 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Entity Information, Former Legal or Registered Name | Monterey Bio Acquisition Corporation |
| Units [Member] | |
| Title of 12(b) Security | Units, each consisting of one share of Common Stock and one redeemable Warrant |
| Trading Symbol | MTRYU |
| Security Exchange Name | NASDAQ |
| Common Stock [Member] | |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share |
| Trading Symbol | MTRY |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants [Member] | |
| Title of 12(b) Security | Redeemable Warrants, each Warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share |
| Trading Symbol | MTYRW |
| Security Exchange Name | NASDAQ |
