Strombus galeatus samples were collected in Lagarto (10 degrees 06'N,85 degrees 48'W), Bahía Ballena (9 degrees 42'N,85 degrees 01'W) and Golfito (8 degrees 30'N,83 degrees 10'W) at the Pacific coast of Costa Rica. Individual weight ranged between 141.9 and 241.3 g (41.3-65.6% edible). Over 72% is water, 23% protein and 3% ash. The caloric content varied between 126.5 and 129 kcal/100g. Fat, crude fiber and carbohydrates contents were small. Mean ranges (%) in minerals were: 403.0-465 P, 233.5-315.7 Ca, 89.7-315.0 K, 122.3-145.5 Na, 217.5-266.3 Mg, 1.5-5.3 Fe, 2.0-8.7 Zn and 0.2-0.5 mg % Cu. As was not detected, and the Cd and Pb contents were 0.046-0.062 and 0.19-0.21 mg/kg, respectively. Concentrations of heavy metals in the meat are not toxic for humans.