--Disease Characteristics-- Histologically confirmed metastatic melanoma not amenable to complete surgical resection and progressive despite immunotherapy and/or chemotherapy Bidimensionally evaluable clinically or radiographically HLA 6/6 or 5/6 matched sibling donor available No CNS metastases --Prior/Concurrent Therapy-- See Disease Characteristics At least 30 days since prior treatment for melanoma --Patient Characteristics-- Age: 18 to 60 Performance status: ECOG 0-1 Life expectancy: At least 3 months Hematopoietic: Not specified Hepatic: Bilirubin no greater than 4 mg/dL Transaminases no greater than 3 times upper limit of normal Renal: Creatinine no greater than 2.5 mg/dL Cardiovascular: Left ventricular ejection fraction greater than 40% Pulmonary: DLCO greater than 65% of predicted Other: HIV negative No major organ dysfunction precluding transplantation No other malignancies except basal cell or squamous cell skin cancer No psychiatric disorder or mental deficiency that would preclude study Not pregnant or nursing