Raiatea Raiatea and Taha"a are two separate islands sharing the same lagoon. Located 120 miles northwest of Tahiti, between Huahine and Bora Bora among the leeward Society Islands, Raiatea is the second largest island of French Polynesia after Tahiti. The island tour reveals lush green valleys, numerous waterfalls, pineapple and vanilla plantations. Raiatea Diving Discover fascinating under-water scenery within Raiatea"s deep lagoon, rich with fish and surrounded by mountains. Radisson Seven Seas Cruises offers an interesting dive in conjunction with a local dive shop that will introduce you to diving in French Polynesia and entice you to explore the waters around Bora Bora and Moorea.