Amtrak has discounted long-distance train travel by up to 20 percent, with one-way winter sale rates that include San Francisco to Santa Barbara ($42), Portland, Ore. ($69), and Chicago ($131). Book by Monday; travel by April 16. Blackout dates apply. 800-872-7245, www.amtrak.com. Marriott's MegaBonus promotion rewards members (free to join) who register by March 31. Earn a free night after two paid stays at a participating property between Saturday and April 30. (A "stay" is consecutive nights at the same hotel.) Redeem the free night at a category 1-4 hotel (e.g., the Inn at Opryland; Mexico City Marriott Reforma Hotel) within a year. Earn up to two free nights. 888-627-7468; www.marriott.com. The Nassau Paradise Island Promotion Board is offering savings of $250 per reservation, for travel through Aug. 31. You must purchase round-trip airfare and stay at least four nights at any of 16 properties. Book by Feb. 17. Blackout dates are April 10-26. Use promo code SAVE250A for travel through April 9 and SAVE250B for April 27-Aug. 31. Info: www.nassauparadiseisland.com/save-250.
-- Andrea Sachs and Carol Sottili, Washington Post