| Long Island N. Games/Schedule |
| Regular Season |
| Nov. 3, 2018 | Day 2 | Westchester K. - Long Island N. | 105-114  |
| Nov. 8, 2018 | Day 7 | Capital City Go-Go - Long Island N. | 127-128 |
| Nov. 9, 2018 | Day 8 | Long Island N. - Raptors 905 | 97-90 |
| Nov. 11, 2018 | Day 10 | Delaware BC - Long Island N. | 115-128 |
| Nov. 20, 2018 | Day 19 | Long Island N. - Westchester K. | 90-93  |
| Nov. 23, 2018 | Day 21 | Long Island N. - Windy City B. | 113-99 |
| Nov. 24, 2018 | Day 22 | Long Island N. - Grand Rapids D. | 107-116 |
| Nov. 27, 2018 | Day 25 | Greensboro S. - Long Island N. | 118-129 |
| Nov. 30, 2018 | Day 28 | Long Island N. - Greensboro S. | 118-114 |
| Dec. 2, 2018 | Day 30 | Lakeland M. - Long Island N. | 130-124 |
| Dec. 4, 2018 | Day 32 | Wisconsin H. - Long Island N. | 124-130 |
| Dec. 6, 2018 | Day 34 | Long Island N. - Canton C. | 125-151 |
| Dec. 7, 2018 | Day 35 | Long Island N. - Ft.Wayne MA | 117-111 |
| Dec. 9, 2018 | Day 37 | Long Island N. - Lakeland M. | 125-111 |
| Dec. 12, 2018 | Day 40 | Windy City B. - Long Island N. | 89-103 |
| Dec. 16, 2018 | Day 44 | Maine RC - Long Island N. | 110-101 |
| Dec. 20, 2018 | Day 46 | Long Island N. - Rio Grande VV | 110-100 |
| Dec. 22, 2018 | Day 46 | OKC Blue - Long Island N. | 112-108 |
| Dec. 28, 2018 | Day 47 | Long Island N. - Wisconsin H. | 126-120 |
| Dec. 29, 2018 | Day 48 | Long Island N. - Capital City Go-Go | 131-117 |
| Jan. 2, 2019 | Day 52 | Erie Bay H. - Long Island N. | 108-123 |
| Jan. 5, 2019 | Day 55 | Raptors 905 - Long Island N. | 105-126 |
| Jan. 10, 2019 | Day 60 | Maine RC - Long Island N. | 109-121 |
| Jan. 12, 2019 | Day 62 | Long Island N. - Capital City Go-Go | 106-114 |
| Jan. 16, 2019 | Day 66 | Grand Rapids D. - Long Island N. | 88-116 |
| Jan. 18, 2019 | Day 68 | Canton C. - Long Island N. | 118-117 |
| Jan. 19, 2019 | Day 69 | Long Island N. - Erie Bay H. | 88-87 |
| Jan. 21, 2019 | Day 71 | Raptors 905 - Long Island N. | 113-87 |
| Jan. 25, 2019 | Day 75 | Long Island N. - Salt Lake City S. | 96-109 |
| Jan. 27, 2019 | Day 77 | Long Island N. - Agua Caliente C. | 117-107 |
| Jan. 30, 2019 | Day 80 | Long Island N. - Texas L. | 135-127 |
| Feb. 1, 2019 | Day 81 | Long Island N. - Austin S. | 131-116 |
| Feb. 4, 2019 | Day 84 | Ft.Wayne MA - Long Island N. | 140-119 |
| Feb. 7, 2019 | Day 87 | Long Island N. - Delaware BC | 107-109 |
| Feb. 9, 2019 | Day 89 | Long Island N. - Westchester K. | 130-134 |
| Feb. 11, 2019 | Day 91 | Long Island N. - Lakeland M. | 109-112 |
| Feb. 21, 2019 | Day 96 | Sioux Falls S. - Long Island N. | 108-130 |
| Feb. 23, 2019 | Day 98 | Raptors 905 - Long Island N. | 106-114 |
| Feb. 24, 2019 | Day 99 | Memphis H. - Long Island N. | 132-137 |
| Feb. 27, 2019 | Day 102 | Delaware BC - Long Island N. | 106-115 |
| Mar. 2, 2019 | Day 105 | Long Island N. - Greensboro S. | 115-114 |
| Mar. 4, 2019 | Day 107 | Canton C. - Long Island N. | 102-106 |
| Mar. 6, 2019 | Day 109 | Ft.Wayne MA - Long Island N. | 123-128 |
| Mar. 8, 2019 | Day 111 | Maine RC - Long Island N. | 111-129 |
| Mar. 10, 2019 | Day 113 | Iowa W. - Long Island N. | 111-122 |
| Mar. 13, 2019 | Day 116 | Erie Bay H. - Long Island N. | 109-125 |
| Mar. 15, 2019 | Day 118 | Long Island N. - Maine RC | 114-125 |
| Mar. 16, 2019 | Day 119 | Westchester K. - Long Island N. | 102-110 |
| Mar. 22, 2019 | Day 125 | Long Island N. - Delaware BC | 142-133 |
| Mar. 23, 2019 | Day 126 | Wisconsin H. - Long Island N. | 125-126 |
| Quarter-Finals |
| Mar. 29, 2019 | Day 128 | Raptors 905 - Long Island N. | 99-112 |
| Semi-Finals |
| Apr. 2, 2019 | Day 129 | Lakeland M. - Long Island N. | 106-108 |
| Finals |
| Apr. 7, 2019 | Day 1 | Rio Grande VV - Long Island N. | 107-117 |
| Apr. 9, 2019 | Day 2 | Long Island N. - Rio Grande VV | 116-127 |
| Apr. 12, 2019 | Day 3 | Rio Grande VV - Long Island N. | 129-112 |
| Long Island N. Games/Schedule |
| Nov. 3, 2018 | Round 2 (Regular Season) | Westchester K. - Long Island N. | 105-114 |
| Nov. 8, 2018 | Round 7 (Regular Season) | Capital City Go-Go - Long Island N. | 127-128 |
| Nov. 9, 2018 | Round 8 (Regular Season) | Long Island N. - Raptors 905 | 97-90 |
| Nov. 11, 2018 | Round 10 (Regular Season) | Delaware BC - Long Island N. | 115-128 |
| Nov. 20, 2018 | Round 19 (Regular Season) | Long Island N. - Westchester K. | 90-93 |
| Nov. 23, 2018 | Round 21 (Regular Season) | Long Island N. - Windy City B. | 113-99 |
| Nov. 24, 2018 | Round 22 (Regular Season) | Long Island N. - Grand Rapids D. | 107-116 |
| Nov. 27, 2018 | Round 25 (Regular Season) | Greensboro S. - Long Island N. | 118-129 |
| Nov. 30, 2018 | Round 28 (Regular Season) | Long Island N. - Greensboro S. | 118-114 |
| Dec. 2, 2018 | Round 30 (Regular Season) | Lakeland M. - Long Island N. | 130-124 |
| Dec. 4, 2018 | Round 32 (Regular Season) | Wisconsin H. - Long Island N. | 124-130 |
| Dec. 6, 2018 | Round 34 (Regular Season) | Long Island N. - Canton C. | 125-151 |
| Dec. 7, 2018 | Round 35 (Regular Season) | Long Island N. - Ft.Wayne MA | 117-111 |
| Dec. 9, 2018 | Round 37 (Regular Season) | Long Island N. - Lakeland M. | 125-111 |
| Dec. 12, 2018 | Round 40 (Regular Season) | Windy City B. - Long Island N. | 89-103 |
| Dec. 16, 2018 | Round 44 (Regular Season) | Maine RC - Long Island N. | 110-101 |
| Dec. 20, 2018 | Round 46 (Regular Season) | Long Island N. - Rio Grande VV | 110-100 |
| Dec. 22, 2018 | Round 46 (Regular Season) | OKC Blue - Long Island N. | 112-108 |
| Dec. 28, 2018 | Round 47 (Regular Season) | Long Island N. - Wisconsin H. | 126-120 |
| Dec. 29, 2018 | Round 48 (Regular Season) | Long Island N. - Capital City Go-Go | 131-117 |
| Jan. 2, 2019 | Round 52 (Regular Season) | Erie Bay H. - Long Island N. | 108-123 |
| Jan. 5, 2019 | Round 55 (Regular Season) | Raptors 905 - Long Island N. | 105-126 |
| Jan. 10, 2019 | Round 60 (Regular Season) | Maine RC - Long Island N. | 109-121 |
| Jan. 12, 2019 | Round 62 (Regular Season) | Long Island N. - Capital City Go-Go | 106-114 |
| Jan. 16, 2019 | Round 66 (Regular Season) | Grand Rapids D. - Long Island N. | 88-116 |
| Jan. 18, 2019 | Round 68 (Regular Season) | Canton C. - Long Island N. | 118-117 |
| Jan. 19, 2019 | Round 69 (Regular Season) | Long Island N. - Erie Bay H. | 88-87 |
| Jan. 21, 2019 | Round 71 (Regular Season) | Raptors 905 - Long Island N. | 113-87 |
| Jan. 25, 2019 | Round 75 (Regular Season) | Long Island N. - Salt Lake City S. | 96-109 |
| Jan. 27, 2019 | Round 77 (Regular Season) | Long Island N. - Agua Caliente C. | 117-107 |
| Jan. 30, 2019 | Round 80 (Regular Season) | Long Island N. - Texas L. | 135-127 |
| Feb. 1, 2019 | Round 81 (Regular Season) | Long Island N. - Austin S. | 131-116 |
| Feb. 4, 2019 | Round 84 (Regular Season) | Ft.Wayne MA - Long Island N. | 140-119 |
| Feb. 7, 2019 | Round 87 (Regular Season) | Long Island N. - Delaware BC | 107-109 |
| Feb. 9, 2019 | Round 89 (Regular Season) | Long Island N. - Westchester K. | 130-134 |
| Feb. 11, 2019 | Round 91 (Regular Season) | Long Island N. - Lakeland M. | 109-112 |
| Feb. 21, 2019 | Round 96 (Regular Season) | Sioux Falls S. - Long Island N. | 108-130 |
| Feb. 23, 2019 | Round 98 (Regular Season) | Raptors 905 - Long Island N. | 106-114 |
| Feb. 24, 2019 | Round 99 (Regular Season) | Memphis H. - Long Island N. | 132-137 |
| Feb. 27, 2019 | Round 102 (Regular Season) | Delaware BC - Long Island N. | 106-115 |
| Mar. 2, 2019 | Round 105 (Regular Season) | Long Island N. - Greensboro S. | 115-114 |
| Mar. 4, 2019 | Round 107 (Regular Season) | Canton C. - Long Island N. | 102-106 |
| Mar. 6, 2019 | Round 109 (Regular Season) | Ft.Wayne MA - Long Island N. | 123-128 |
| Mar. 8, 2019 | Round 111 (Regular Season) | Maine RC - Long Island N. | 111-129 |
| Mar. 10, 2019 | Round 113 (Regular Season) | Iowa W. - Long Island N. | 111-122 |
| Mar. 13, 2019 | Round 116 (Regular Season) | Erie Bay H. - Long Island N. | 109-125 |
| Mar. 15, 2019 | Round 118 (Regular Season) | Long Island N. - Maine RC | 114-125 |
| Mar. 16, 2019 | Round 119 (Regular Season) | Westchester K. - Long Island N. | 102-110 |
| Mar. 22, 2019 | Round 125 (Regular Season) | Long Island N. - Delaware BC | 142-133 |
| Mar. 23, 2019 | Round 126 (Regular Season) | Wisconsin H. - Long Island N. | 125-126 |
| Mar. 29, 2019 | Round 128 (Quarter-Finals) | Raptors 905 - Long Island N. | 99-112 |
| Apr. 2, 2019 | Round 129 (Semi-Finals) | Lakeland M. - Long Island N. | 106-108 |
| Apr. 7, 2019 | Round 1 (Finals) | Rio Grande VV - Long Island N. | 107-117 |
| Apr. 9, 2019 | Round 2 (Finals) | Long Island N. - Rio Grande VV | 116-127 |
| Apr. 12, 2019 | Round 3 (Finals) | Rio Grande VV - Long Island N. | 129-112 |
