Sri Lanka's tropical isle boasts stunning beaches like charming Unawatuna Bay, lively Hikkaduwa, picturesque Mirissa, secluded Arugam Bay, and pristine Nilaveli. Vast coral-white sands framed by turquoise waves and dotted with fishing boats create postcard-perfect scenes. Witness the afternoon sky turn into a palette of orange, yellow, and purple as the sun sets. Here are Sri Lanka's most beautiful and popular beaches.