Seven Sea Temples Bali

Bali has a number of important "sea temples" (Balinese: pura segara) which were founded in the 16th-century by a Majapahit Brahmin from Java named Nirartha to honour the gods of the sea. Each of the temples is traditionally said to be visible from the next, forming a 'chain' around the coast of Bali. Many of the most important sea temples are located along the south-west coast of the island. The temples' positions was meant to provides a chain of spiritual protection for the Bali island.

Listed counterclockwise from Nirartha's legendary point of arrival in Bali, some of the most prominent Balinese sea temples include:

1. Pura Pulaki near Pemuteran, northeast of Gilimanuk (8°8′44″S 114°40′50″E).
2. Pura Gede Perancak, to the south of Negara (8°24′5″S 114°36′40″E).
3. Pura Rambut Siwi, to the east of Negara (8°24′11″S 114°45′59″E) At this site Nirartha is said^{[by whom?]} to have made a gift of a lock of his hair, which was worshipped. Rambut Siwi translates as 'worship of the hair'^[8] and the tale is reminiscent of the Buddhist story of Gautama giving eight hairs to Tapussa and Bhallika, which are now enshrined at Shwedagon.
4. Pura Tanah Lot, west of Canggu and south of Tabanan city where two puras were built on a coastal rock overlooking the Indian Ocean as the shrine to honor sea deities. (8°37′16″S 115°5′12″E).
5. Pura Luhur Uluwatu, at the southwestern extremity of the Bukit Peninsula (8°49′44″S 115°5′7″E). This is the only Balinese sea temple that is also one of the six Balinese directional temples.
6. Pura Mas Suka, at the southern tip of the Bukit Peninsula, near Greenbowl Beach (8°50′52″S 115°10′11″E).
7. Pura Sakenan on Serangan island, an island between Tanjung Benoa and Sanur (8°43′31″S 115°13′47″E).

http://bali.mehthesheep.com/bali-sea-temples/

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He also created a three-temple system for villages in Bali. 

1. In the north of the village would be a temple for Brahma, 
2. in the middle a temple for Vishnu and 
3. at the south end of the village was a temple for Shiva.