Ceramics made from clay, Mount Sinabung ash and sea water have been made using the die pressing method. Sinabung clay and ash were sieved through a 200 mesh sieve. Ceramics are printed with a mixture of clay, Sinabung mountain ash and sea water in a ratio of 10:0:0 gr; 10:9:1 gr; 10:8:2 gr; 10:7:3 gr; 10:6:4 grams; 10:5:5 g, etc. Ceramics are sintered with a sintering temperature of 1000 OC with a holding time of 3 hours. Ceramics are characterized by determining physical properties (shrinkage, porosity and density), mechanical properties (compressive strength), surface morphology and pore size (SEM) and XRD. The characterization results show that the optimum value occurs in a mixture of clay, Mount Sinabung ash and seawater at a mixed variation of 10:5:5 gr with a shrinkage value of 31.2%; porosity = 27.16%; density = 2. 09×103 kg/m3 %; compressive strength = 86.66 MPa. Surface morphology (SEM) showed that the optimum variation experienced agglomeration and significant unification of grains occurred and the structure formed was hexagonal with a crystal size of 45.44 nm.