Serenity Cottage Serenity Cottage from Hannah Dykstra Serenity Cottage Serenity Cottage - A facelift for a personal retreat cottage at Geneva Camp & Retreat Center, located on the lakeshore in Holland, MI. gLike Serenity Cottage Serenity Cottage - A facelift for a personal retreat cottage at Geneva Camp & Retreat Center, located on the lakeshore in Holland, MI. Interior Design Share R 7 n Hannah Dykstra Holland, MI Follow Contact