The East Islip Fire Department's fleet consists of the following apparatus.
| Vehicle | Year | Vehicle Type | Assignment |
| 3-5-1 | 1994 | Pierce Lance 1500 GPM Pumper | Engine Co. #1 |
| 3-5-2 | 2004 | Pierce Lance 2000 GPM Pumper | Engine Co. #1 |
| 3-5-3 | 1994 | Pierce Lance 1500 GPM Pumper | Engine Co. #2 |
| 3-5-4 | 2004 | Pierce Lance 2000 GPM Pumper | Engine Co. #2 |
| 3-5-5 | 1987 | 95' Mack Baker Tower Ladder | Hook & Ladder Co. #1 |
| 3-5-6 | 1998 | Freightliner / Braun Ambulance | Rescue Squad |
| 3-5-7 | 1995 | Pierce Mack Heavy Rescue | Heavy Rescue Co. #1 |
| 3-5-9 | 2005 | Pierce Lance Encore 16' Rescue | Hook & Ladder Co. #1 |
| 3-5-10 | 1996 | GMC Utility/Plow Truck | Department |
| 3-5-11 | 1952 | GMC 6x6 Stump Jumper | Heavy Rescue Co. #1 |
| 3-5-12 | 2007 | Ford 15 Passenger Van | Fire Police |
| 3-5-14 | 1989 | Ford Utility Truck | Department |
| 3-5-18 | Fire Prevention Bus | Department | |
| M35 | 2005 | Fire/Rescue Boat | Department |
| 3-5-22 | 2003 | Ford 15 Passenger Van | Department |
| 3-5-30 | 2006 | Ford Expedition | Chief Of Department |
| 3-5-31 | 2005 | Ford Expedition | 1st Assistant Chief |
| 3-5-32 | 2003 | Ford Expedition | 2nd Assistant Chief |
| 3-5-80 | 2005 | Ford Expedition | Rescue Squad |
