I have some space on my WL and I'm looking to add some more travel memoirs.  Specifically, those that have to do with coastal regions or islands.  Here are those already on my lists:

TBR:

The Big House : A Century in the Life of an American Summer Home :: George Howe Colt ,  Getting Stoned with Savages : A Trip Through the Islands of Fiji and Vanuatu :: J. Maarten Troost ,  The Sex Lives of Cannibals : Adrift in the Equatorial Pacific :: J. Maarten Troost ,  Theatre of Fish: Travels Through Newfoundland and Labrador :: John Gimlette ,  A Trip to the Beach: Living on Island Time in the Caribbean :: Robert Blanchard, Melinda Blanchard

my BIR:

Bayou Farewell : The Rich Life and Tragic Death of Louisiana's Cajun Coast (Vintage Departures) :: Mike Tidwell  (a very good book) ,  The Lobster Chronicles : Life On a Very Small Island :: Linda Greenlaw & all of Bill Bryson

my WL:

30 Days in the South Pacific : True Stories of Escape to Paradise (Travelers' Tales) :: Sean O'Reilly, James O'Reilly, Larry Habegger ,  As I Lay Frying: A Rehoboth Beach Memoir :: Fay Jacobs ,  The Cure for Anything Is Salt Water: How I Threw My Life Overboard and Found Happiness at Sea :: Mary South ,  The Outermost House: A Year of Life On The Great Beach of Cape Cod :: Henry Beston ,  The Salt House: A Summer on the Dunes of Cape Cod :: Cynthia Huntington ,  A Rotten Person Travels the Caribbean: A Grump in Paradise Discovers that Anyplace it's Legal to Carry a Machete is Comedy Just Waiting to Happen (Travelers' Tales) :: Gary Buslik

any other suggestions?

Castaway by Lucy Irvine

Also, Adrift:76 days lost at Sea by Steven Callahan

Not about an island, but an incredible story!

A quick browse of my travel/memoir TBR yields the following:

Land's End: A Walk Through Provincetown by Michael Cunningham

Give Me the World by Leila Hadley

Maiden Voyage by Tania Aebi

A Year by the Sea by Joan Anderson

Coasting: A Private Voyage by Jonathan Raban

My Old Man and the Sea by David Hays and Daniel Hays

The Island of the White Cow: Memories of an Irish Island by Deborah Tall

100 Days on a Holy Island: A Writer's Exile by Peter Mortimer