Exhibit 21.1
Subsidiary |
| Jurisdiction of |
U-Store-It, L.P. |
| Delaware |
Acquiport/Amsdell III, LLC |
| Delaware |
Acquiport/Amsdell IV, LLC |
| Delaware |
Acquiport/Amsdell VI, LLC |
| Delaware |
Lantana Property Owner’s Association, Inc. |
| Florida |
U-Store-It Development LLC |
| Delaware |
U-Store-It Mini Warehouse Co. |
| Ohio |
U-Store-It Trust Luxembourg S.ar.l. |
| Luxembourg |
USI II, LLC |
| Delaware |
USI Overseas Development Holding L.P. |
| Delaware |
USI Overseas Development LLC |
| Delaware |
USIFB LP |
| London |
USIFB LLP |
| London |
YASKY LLC |
| Delaware |
YSI I LLC |
| Delaware |
YSI II LLC |
| Delaware |
YSI III LLC |
| Delaware |
YSI IV LLC |
| Delaware |
YSI IX GP LLC |
| Delaware |
YSI IX LP |
| Delaware |
YSI IX LP LLC |
| Delaware |
YSI Management LLC |
| Delaware |
YSI RT LLC |
| Delaware |
YSI V LLC |
| Delaware |
YSI VI LLC |
| Delaware |
YSI VII GP LLC |
| Delaware |
YSI VII LP |
| Delaware |
YSI VII LP LLC |
| Delaware |
YSI VIII GP LLC |
| Delaware |
YSI VIII LP |
| Delaware |
YSI VIII LP LLC |
| Delaware |
YSI X GP LLC |
| Delaware |
YSI X LP |
| Delaware |
YSI X LP LLC |
| Delaware |
YSI XI GP LLC |
| Delaware |
YSI XI LP |
| Delaware |
YSI XI LP LLC |
| Delaware |
YSI XII GP LLC |
| Delaware |
YSI XII LP |
| Delaware |
YSI XII LP LLC |
| Delaware |
YSI XIII GP LLC |
| Delaware |
YSI XIII LP |
| Delaware |
YSI XIII LP LLC |
| Delaware |
YSI XIV GP LLC |
| Delaware |
YSI XIV LP |
| Delaware |
YSI XIV LP LLC |
| Delaware |
YSI XV LLC |
| Delaware |
YSI XVI LLC |
| Delaware |
YSI XVII GP LLC |
| Delaware |
YSI XVII LP |
| Delaware |
YSI XVII LP LLC |
| Delaware |
YSI XX GP LLC |
| Delaware |
YSI XX LP |
| Delaware |
YSI XX LP LLC |
| Delaware |
YSI XXI LLC |
| Delaware |
YSI XXII LLC |
| Delaware |
YSI XXIII LLC |
| Delaware |
YSI XXIV GP LLC |
| Delaware |
YSI XXIV LP |
| Delaware |
YSI XXIV LP LLC |
| Delaware |
YSI XXIX GP LLC |
| Delaware |
YSI XXIX LP |
| Delaware |
YSI XXIX LP LLC |
| Delaware |
YSI XXV GP LLC |
| Delaware |
YSI XXV LP |
| Delaware |
YSI XXV LP LLC |
| Delaware |
YSI XXVI GP LLC |
| Delaware |
YSI XXVI LP |
| Delaware |
YSI XXVI LP LLC |
| Delaware |
YSI XXVII GP LLC |
| Delaware |
YSI XXVII LP |
| Delaware |
YSI XXVII LP LLC |
| Delaware |
YSI XXVIII GP LLC |
| Delaware |
YSI XXVIII LP |
| Delaware |
YSI XXVIII LP LLC |
| Delaware |
YSI XXX LLC |
| Delaware |