For the most "high-value," postcard-perfect turquoise water, the premier destination in the Dominican Republic is Isla Saona. Located off the southeastern coast near Bayahibe, its "Natural Pool" is world-famous for being waist-deep, crystal clear, and filled with giant starfish. Another top contender for 2026 travelers is Bahía de las Águilas in the remote southwest; because it is part of a national park and has no hotels, the water is an untouched, vibrant sapphire that is widely considered the "purest" in the Caribbean. If you are staying in the Samaná Peninsula, Playa Rincón and the secluded Cayo Levantado (Bacardi Island) offer a high-quality blend of calm, emerald-tinted waves and pristine white sands that feel like a true tropical oasis.