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The development of marine economy brings with it a need for marine buildings and port structures that require concrete. If these buildings were built with sea sand concrete mixed with sea water instead of traditional concrete and replaced FRP reinforced steel, raw materials can be procured locally, saving time and cost. Based on the above considerations, 8 GFRP reinforced SS-concrete (concrete with sea sand and sea water) beams were prepared to understand their workability and strength as their reinforcement ratio increases. Results show that an increase in reinforcement percentage, leads to an increase in strength and decrease in bonding property. Based on these experimental results it is assumed that only the horizontal sections are feasible. Although GFRP reinforced SS-concrete failure is primarily due to brittleness, obvious signs such as fully developed cracks and large deflections can be seen prior to the failure. So in the design, the ductility of the GFRP reinforced concrete with sea sand and sea water can be assured through controlled load and reinforcement rates.