Disclosed herein is a method and system for dynamic channel allocation among plurality of Base Transceiver Stations (BTSs) in Long-Range Land-to-Sea (LRLS) wireless network. The method comprises configuring plurality of channels, having non-overlapping frequencies, to plurality of BTSs, and obtaining channel quality parameters related to each channel. Subsequently, an Aggregate Weighted Signal-to-Interference Noise Ratio (AWSINR) metrics and a throughput value for each of plurality of BTSs is determined based on the channel quality parameters. Finally, an optimal channel is identified among plurality of channels for allocating to each of plurality of BTSs based on the AWSINR metrics or the throughput value. In an embodiment, the present disclosure helps in eliminating interference in the LRLS wireless network, thereby optimizing network throughput and enhancing Quality of Experience to end users.