The New York Islanders had their worst record in a season in 1972-73, with a record of 12-60-6.

TEAM	REC	SEASON	GP	PTS	W	L	T	OTL	PTS%	G	GA	PP%	PK%	S/GP	SA/GP
New York Islanders	12-60-6	1972-73	78	30	12	60	6		.192	170	347			25.03	34.55
New York Islanders	21-51-7-3	2000-01	82	52	21	51	7	3	.317	185	268	13.2	82.2	27.52	29.00
New York Islanders	22-50-10	1995-96	82	54	22	50	10		.329	229	315	18.8	78.3	28.17	32.04
New York Islanders	24-48-9-1	1999-00	82	58	24	48	9	1	.354	194	275	14.1	80.0	26.18	33.44
New York Islanders	24-48-10	1998-99	82	58	24	48	10		.354	194	244	15.8	83.5	26.30	28.43
New York Islanders	19-41-18	1973-74	78	56	19	41	18		.359	182	247			25.97	30.64
New York Islanders	15-28-5	1994-95	48	35	15	28	5		.365	126	158	15.7	78.4	28.27	30.17
New York Islanders	26-47-9	2008-09	82	61	26	47		9	.372	198	274	16.9	79.8	28.93	33.55
New York Islanders	25-45-10	1990-91	80	60	25	45	10		.375	223	290	16.1	77.9	27.10	31.19
New York Islanders	28-47-5	1988-89	80	61	28	47	5		.381	265	325	22.5	73.6	30.36	30.79
New York Islanders	29-41-12	1996-97	82	70	29	41	12		.427	240	250	13.9	83.4	26.68	30.26
New York Islanders	30-41-11	1997-98	82	71	30	41	11		.433	212	225	16.7	85.9	25.84	28.76
New York Islanders	30-39-13	2010-11	82	73	30	39		13	.445	225	258	17.2	83.2	29.37	31.95
New York Islanders	31-38-11	1989-90	80	73	31	38	11		.456	281	288	23.6	76.5	29.49	33.53
New York Islanders	36-40-6	2005-06	82	78	36	40		6	.476	221	275	16.9	79.2	30.26	31.09
New York Islanders	34-37-11	2013-14	82	79	34	37		11	.482	216	261	17.8	78.1	30.94	30.05
New York Islanders	34-37-11	2011-12	82	79	34	37		11	.482	196	251	18.5	80.5	29.39	30.11
New York Islanders	34-37-11	2009-10	82	79	34	37		11	.482	214	258	16.0	76.3	30.40	31.94
New York Islanders	35-38-9	2007-08	82	79	35	38		9	.482	189	240	14.5	81.9	29.70	30.34
New York Islanders	35-37-10	2017-18	82	80	35	37		10	.488	261	293	23.2	73.2	31.37	35.59
New York Islanders	34-35-11	1991-92	80	79	34	35	11		.494	291	299	22.1	76.5	27.83	32.88
New York Islanders	36-36-12	1993-94	84	84	36	36	12		.500	282	264	20.1	81.1	29.89	30.49
New York Islanders	35-34-11-2	2002-03	82	83	35	34	11	2	.506	224	231	15.1	83.5	29.60	28.27
New York Islanders	37-35-10	2021-22	82	84	37	35		10	.512	229	231	22.1	84.2	28.87	32.55
New York Islanders	35-33-12	1986-87	80	82	35	33	12		.513	279	281	25.1	78.0	31.01	27.84