Key Bank of Long Island
| Status: | Inactive as of 10/01/1988 |
| Merger - Without Assistance | |
| Successor Bank: | Key Bank of Southeastern New York |
| Headquarters: | Key Bank of Long Island 131 Main Street Sayville, NY 11782 |
| Established: | 03/26/1899 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #14360 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $296,143,000 |
| Total Deposits: | $254,479,000 |
History
| 1899-03-26 | Institution established: Original name:The Oystermen's Bank and Trust Company | |
| 1982-09-01 | Changed name to Key Bank of Long Island | |
| 1988-10-01 | Merged into and subsequently operated as part of Key Bank of Southeastern New York National Association (7003) in NEWBURGH, NY | |
| 1990-03-08 | Changed name to Key Bank of Eastern New York National Association (6937) | |
| 1990-03-08 | Merged into and subsequently operated as part of Key Bank of Eastern New York National Association (6937) in ALBANY, NY | |
| 1991-07-26 | Acquired Key Bank of Central New York, National Association (27214) in SYRACUSE, NY | |
| 1991-07-26 | Acquired Key Bank of Western New York National Association (7352) in BUFFALO, NY | |
| 1991-07-26 | Changed name to Key Bank of New York, National Association (6937) | |
| 1992-06-17 | Changed name to Key Bank of New York (6937) | |
| 1992-06-17 | Changed primary regulatory agency from FEDERAL RESERVE BOARD to FEDERAL DEPOSIT INSURANCE CORPORATION | |
| 1993-02-26 | Acquired National Savings Bank of Albany (16054) in ALBANY, NY | |
| 1993-02-26 | Reorganized. | |
| 1994-06-03 | Acquired Columbia Banking Federal Savings Association (33610) in ROCHESTER, NY as part of a government assisted transaction. | |
| 1995-09-05 | Acquired Key Bank USA National Association (27014) in ALBANY, NY | |
| 1997-01-13 | Changed name to Keybank National Association (6937) | |
| 1997-01-13 | Changed primary regulatory agency from FEDERAL DEPOSIT INSURANCE CORPORATION to COMPTROLLER OF THE CURRENCY | |
| 1997-06-30 | Acquired KeyBank National Association (11979) in TACOMA, WA | |
| 1997-06-30 | Acquired KeyBank National Association (17007) in TACOMA, WA | |
| 1997-06-30 | Acquired Keybank National Association (6937) in ALBANY, NY | |
| 1997-06-30 | Merged into and subsequently operated as part of KeyBank National Association (17534) in CLEVELAND, OH | |
| 1997-06-30 | Acquired Keybank National Association (11970) in PORTLAND, ME | |
| 1997-06-30 | Acquired KeyBank National Association (13674) in BOISE, ID | |
| 1997-06-30 | Acquired KeyBank National Association (9477) in PORTLAND, OR | |
| 1997-06-30 | Acquired KeyBank National Association (14127) in BURLINGTON, VT | |
| 1997-06-30 | Acquired KeyBank National Association (22300) in ANCHORAGE, AK | |
| 1997-06-30 | Merged into and subsequently operated as part of KeyBank National Association (1254) in SALT LAKE CITY, UT | |
| 1997-06-30 | Acquired Keybank National Association (13447) in FORT COLLINS, CO | |
| 1998-06-30 | Acquired Keybank National Association (34243) in BEDFORD, NH | |
| 1998-07-31 | Acquired KeyTrust Company National Association (33575) in CHEYENNE, WY | |
| 1999-08-16 | Reorganized. | |
| 2000-12-29 | Acquired Key Trust Company National Association (27177) in SEATTLE, WA | |
| 2000-12-29 | Acquired Key Trust Company of Ohio, National Association (33968) in CLEVELAND, OH | |
| 2000-12-29 | Acquired Key Trust Company of Indiana, National Association (33969) in INDIANAPOLIS, IN | |
| 2000-12-29 | Acquired Key Trust Company National Association (26596) in PORTLAND, ME | |
| 2000-12-29 | Acquired Key Trust Company National Association (90992) in ALBANY, NY | |
| 2003-01-17 | Acquired Union Bank & Trust (14708) in DENVER, CO | |
| 2003-11-20 | Reorganized. | |
| 2004-10-01 | Acquired Key Bank USA, National Association (34055) in CLEVELAND, OH | |
| 2004-11-12 | Acquired EverTrust Bank (27070) in EVERETT, WA | |
| 2005-08-01 | Acquired EverTrust Asset Management (57613) in SEATTLE, WA | |
| 2008-01-17 | Acquired Union State Bank (20119) in NANUET, NY | |
| 2014-09-30 | Acquired KeyTrust Company National Association (91385) in ANCHORAGE, AK | |
| 2016-10-08 | Acquired First Niagara Bank, National Association (16004) in BUFFALO, NY | |
| 2017-07-31 | Reorganized. |