One of the the seven islands. कुश island is rich in pearls. [mh-6-13-1 ] Mahābhārata • Bhīṣma parva . जम्बू , प्लक्ष , शाल्मली , कुश , क्रौञ्च , शाक and पुष्कर are the seven islands (सप्तद्वीपस्) . शाल्मली island has double the area of प्लक्ष . Each island, in this order, is twice as large as the preceding one. (Devī Bhāgavata, 8th Skandha) .

कुश island encircles the sea of सुरा (Wine.) ज्योतिष्मान् was the chief over the island. He had seven sons called उद्भिद , वेणुमान् , वैरथ , लम्बन , धृति , प्रभाकर and कपिल . The Subcontinents, are called by their names. In कुश island, along with दैत्यस् and दानवस् , Men, देवस् , गन्धर्वस् , किन्नरस् and किम्पुरुषस् live. There are four castes of people there called दमिस् , शुष्मिस् , स्नेहस् and मन्देहस् , all of them leading righteous lives. The above four castes form the ब्रह्मिन् , क्षत्रिय , वैश्य and सूद्र people in the island. There are six mountains there called विद्रुम , हेमशैल , द्युतिमान् , पुष्पवान् , कुशेशय and हरिमन्दिर . There are also seven rivers there called धूतपापा , शिवा , पवित्रा , सम्मति , विद्युत् , अम्भा and मही . These rivers annihilate sins. There are also other small rivers there. There is a कुशस्तम्ब (a cluster of कुश grass) in the island. The stamba which glows like fire illuminates the island by its light and lustre. (Bhāgavata) . The कुश island is encircled by the घृत ocean. (Viṣṇu Purāṇa Part II, Chapter 4)