The people of the Summer Isles have ebony skin (I: 29)
The Summer Isles makes a rare, sweet amber wine (I: 101)
High-masted swan ships with white sails, described as magnificent (I: 142. IV: 508)
The folk of the Summer Isles have princes (I: 247)
The people of the Summer Isles wear fantastic capes made out of colorful feathers (I: 247. II: 315)
The Summer Isles has a golden wood (I: 261)
Women wear feathered gowns (I: 317)
Certain rare spices from the Summer Isles are used in the making of poisons (II: 15)
A white bird from the Summer Isles given as a gift (II: 96)
Feathers from the Summer Isles are sold by Westerosi merchants (II: 127)
The accent that those of the Summer Isles speak with is flowing and liquid (II: 174)
The people of the Summer Isles consider their blood to be that of summer (II: 175)
Tall Trees Town is a place in the Summer Isles (II: 315)
Summer Islanders kiss lightly on the fingers as either a sign of respect or farewell (II: 316)
The Red Flower Vale has a prince (III: 432)
Dancers from the Summer Isles in robes of bright feathers and silk are sometimes hired for special events in Westeros, such as royal weddings (III: 678)
The Summer Isles produce strange, sweet wines. Even in Oldtown, they are very expensive (IV: 6)
Summer Islanders are unafraid to sail out of sight of land (IV: 520)
Barrels of spiced rum (IV: 520)
Swan ships have high forecastles (IV: 520)
Blackbelly rum (IV: 523)
Women serve on swan ships, and can even lead the red archers that help defend the vessel from attack (IV: 523-524)
The double-curved goldenheart bows used by Summer Islanders can send a shaft four hundred yards. Goldenheart is the best wood for making bows, and the Summer Islanders are probably the finest archers in the world (IV: 523. SSM: 1)
Men and women have separate cabins on swan ships (IV: 526)
Menial tasks on a swan ship: scrubbing descks, smoothing descks with stones, hauling anchor chains, coiling rope, hunting rats, sewing sails, patching leaks with hot tar, boning fish and chopping fruit for meals (IV: 526)
Swan ships, as they're called in the Seven Kingdoms for their great white sails and figureheads which are often carved in the shape of birds, are very large and with a good wind behind them can outrun any galley. However, they are helpless when becalmed (IV: 527)
The inhabitants of the isles find no shame in serving in a brothel. In the Summer Isles, those who are skilled in the arts of pleasure are valued. Many highborn youths and maidens serve for a few years after their flowerings, to honor the gods (II: 175)
The deceased at a funeral is commemorated by drinking rum in memory of his life (IV: 520)
Summer Islanders revere the elderly and celebrate the dead (IV: 520)
The Summer Islanders answer death with life, and a crew will mourn the death of one of their own with an orgy (IV: 525)
It is said that the gods made bodies and souls. They gave people voices to worship them with song, hands to build temples to them, and they gave desire so that people might mate and worship in that way (II: 175)
The deceased at a funeral is commemorated by drinking rum in memory of his life (IV: 520)
Summer Islanders revere the elderly and celebrate the dead (IV: 520)
The Summer Islanders answer death with life, and a crew will mourn the death of one of their own with an orgy (IV: 525)