Ship: Guernica
Country of Origin: Spain
Passengers: 30
Activists: Manuel Tapial, coordinator of "Rumbo a Gaza"
Details: Some of the members of the boat, still docked in Crete, occupied the Spanish embassy in Athens on July 5 and hung a Palestinian flag from the balcony.
Ship: Dignite al Karama
Country of Origin: France
Passengers: 10
Activists: French Boat to Gaza - Olivier Besancenot, head of the New Left Party in France; French politician and member of the European Parliament Nicole Kiil-Nilsen; and other well-known French personalities.
Details: Originally from Corsica, the ship slipped away from Greek authorities early on July 5. On July 6, the boat was traveling slowly towards Gaza, waiting to see if other boats would join it. But the Greek coast guard prevented the ship from returning to sea after it stopped to refuel in Crete.
Ship: Tahrir
Country of Origin: Canada
Passengers: 48
Activists: Ehab Lotayef is the spokesman and coordinator in Montreal. Boat registered to Sandra Rush, a Jewish-Canadian.
Details: Attempted to set sail from Crete but was turned back 15 minutes later by coast guard, who were using water canons. Greek prosecutors began taking statements from the passengers. Two kayakers have been released, but the activist in whose name the boat was registered remains in custody.
Ship: Audacity of Hope
Country of Origin: US
Passengers: 40
Activists: Free Gaza group -- writer Alice Walker; Jane Hirschmann, organiser from "Jews Say No!"; Joseph Dana, a journalist for the Nation.
Details: Left Perama July 1 but was towed back to shore by coast guard. Captain set free by authorities after facing charges of trying to leave port without permission and of endangering the lives of the boat's passengers. On June 24, an anonymous complaint was filed against the ship's "seaworthiness". The Israel Law Centre (Shurat HaDin) took responsibility.
Ship: Louise Michel
Country of Origin: France
Passengers: 24
Activists: French NGOs.
Details: Staged "symbolic" departure on July 4 which was raided by Greek coast guard.
Ship: Stefano Chiarini
Country of Origin: Italy, Netherlands
Passengers: 50
Activists: The boat is run by Dutch and British activists. Many of the original 65 went home, with some vowing to come back as soon as the ship gets permission to sail. Also Malaysians, Germans and Swiss on board.
Details: Exhausted attempts to comply with the necessary paperwork for getting permission to leave port. The group has discussed staging local demonstrations against the Greek blockade of their flotilla but would not disclose specific plans to the media. The Greek captain of the ship said he did not want to copy other breakouts for fear of jeopardising his sailing license.
Ship: Saoirse
Country of Origin: Ireland
Passengers: 20
Activists: Irish Ship to Gaza
Details: Not expected to sail due to alleged sabotage incident. Undergoing repairs currently.
Ship: Freedom for All
Country of Origin: Europe
Passengers: 15
Activists: European Campaign to End the Siege on Gaza
Details: Exact location is unknown.
Ship: Juliano
Country of Origin: Greece, Sweden
Passengers: 25
Activists: Ship to Gaza Sweden - named after Juliano Mer-Khamis, the Arab-Israeli actor, director and political activist who was shot dead in Jenin.
Details: Undergoing repairs after allegedly being sabotaged. The boat was prevented by coast guard from sailing to nearby town of Fokia for ceremony.
Ship: Methimus #2
Country of Origin: Greece, Sweden
Passengers: 15
Activists: Greek NGOs bearing cargo.
Details: Exact location is unknown.
Ship: Gaza Strip
Country of Origin: Palestine
Passengers: 1.6 million
Activists: Hamas government
Details: Destination.