Motor boat (launch)
The motor boat that ferried the guests from Sticklehaven to Indian Island is the only means of communication and escape from the island. Its scheduled morning arrival is the single thread connecting the trapped party to the outside world, and when that thread is broken, the characters realize they are marooned with a killer. The boat's absence transforms suspicion into certainty and marks the point at which the survivors understand that they are not merely the victims of a bizarre practical joke but prisoners in a carefully orchestrated death trap.
Arrival and First Impressions
The motor boat, piloted by the local boatman Fred Narracott, first appears as the guests gather at the Sticklehaven quay. Narracott, a weather-beaten man with a rolling gait and a slightly evasive expression, leads the party along a small stone jetty to where the boat is lying. Emily Brent immediately objects that it is "a very small boat," but Narracott reassures her that "she's a fine boat" and could take double the number. Philip Lombard adds his own confident assessment: "It's quite all right. Glorious weather—no swell." The boat churns its way around the rock, bringing the house into view for the first time, and noses gently into a little natural inlet between rocks. As they land, Lombard observes sharply that it "must be difficult to land here in dirty weather," and Narracott cheerfully confirms that "can't land on Indian Island when there's a southeasterly. Sometimes 'tis cut off for a week or more." This casual remark foreshadows the isolation to come.
The Morning of the First Deaths
After the gramophone accusation and the deaths of Anthony Marston and Mrs. Rogers, the guests gather for breakfast on the second morning. The motor boat's absence becomes the central topic. Rogers, the butler, reports that the boat usually comes over between seven and eight, and that if Fred Narracott is ill he would send his brother. When asked the time, Rogers replies that it is ten minutes to ten—nearly two hours past the usual arrival. Philip Lombard's eyebrows rise, and he nods slowly to himself. On the terrace, Lombard and Blore discuss the missing boat directly. Blore states his conviction: "It's not an accident—that's what I say. It's part and parcel of the whole business. It's all bound up together." Lombard asks bluntly, "It won't come, you think?" General Macarthur, overhearing, speaks with strange certainty: "Of course it won't come. We're counting on the motor boat to take us off the island. That's the meaning of the whole business. We're not going to leave the island. None of us will ever leave." His words, delivered in a low strange voice, confirm that the boat's failure is not a mishap but a deliberate act.
Consequences and Aftermath
The motor boat's non-arrival seals the fate of every person on the island. It is the physical mechanism by which the murderer, U. N. Owen, ensures that no one can escape and that no outside help can intervene. The characters' desperate attempts to signal the mainland—using a mirror to flash Morse code from the highest point of the island—are rendered futile by the boat's absence, as no one on the cliffs can reach them. The boat's failure also provides the murderer with the time needed to execute the remaining victims according to the nursery rhyme. When the storm finally clears and the sea subsides, the rescue party—led by Fred Narracott himself, who overrides Morris's orders after seeing the SOS signals—arrives on the afternoon of August 12th. They find ten dead bodies and no living soul. The motor boat, which had been the guests' only hope, becomes the symbol of their complete and final isolation.
