The Portal Site for Ferries and Cruise Ships

Here are websites on 'Theme Cruises'. Use at your own risk.

ボールルームダンスの資料室 (Ballroom Japan)
社交ダンス情報サイト Let's Dance

Ballroom Dancers.com
Dancers at Sea
Mid-Atlantic DanceNet
Stardust Dance Productions Ltd.
Sundancers Cruises
The Dance School (Dance Theme Events Limited)

All Horizons Travel, Inc
Escapade Cruises & Tours
Megafriends
Singles Adventure Tours
SinglesCruise.com
Singles Cruises by Ann

Nagasaki Sunset Marina
Marine Rouge
Zeal Wedding

CruiseShipWedding.com
Island Cruises ＆ Travel

Adonis Gay Sailing
Atlantis Events
Cruising with Pride Cruises & Resorts
Discovery Vallarta
Gay Cruise Vacations
Gay Curacao
Gay Sailing Adventures
Gay Travel.de
Now Voyager
Olivia
Out Asia Travel
OverwaterWorld.com
Q-web
R Family Vacations
RSVP Vacations
Sail Chico
Saltyboys

The Lesbian, Gay, Bisexual & Transgender Community Center

American Association for Nude Recreation (AANR)
Bare Necessities Tour & Travel
Club Orient
GayNudeSail
No Pockets Yacht Charters
Original Group
The Naturist Society
The Riverboat Club
World of the Nudest Nudist

アイ・ダブリュー・エイ・ツアー (IWA Tours)
あ・える倶楽部 (A'EL Club, SPI Inc.)
船舶バリアフリー・ホームページ (Barrier-Free Ship Home Page)
昭和観光社 (Showa Kankousya)
日本トラベルヘルパー協会 (Japan Travel Helper Association)
ベルテンポ・トラベル・アンド・コンサルタンツ (Beltempo Travel and Consultants)
夢ツーリストきたみ (Yume Tourist Kitami)
ATCエイジレスセンター (ATC Ageless Center)
NPO法人ぬくもり (NPO Nukumori)

Dialysis at Sea
Medical Tourism Association
Mercy Ships
Whatcom Hospice Fundation
Wemen on Waves

アイキャン（株） (I-Can)
オリジン研究所 (Origin Labo)
海洋自然葬　絆 (Kizuna)
海洋自然葬（散骨）の風 (Kaze)
グランブルーセレモニー (Zeal Co., Ltd.)
（株）公営社 (koueisha)
（株）ハウスボートクラブ (Blue Ocean Ceremony)
散骨・粉骨　やすらか庵 (Yasuraka-an)
寺院連盟「はちす会」(Hachisu-kai)
ペットの海洋自然葬　優 (You)
仏事ガイド
琉宮海葬 (Ryukyu Kaisou)

Bay Watch Cruises
B. Horizon
Bottom Scratcher Charter Dive Boat
Dana Wharf Sportfishing & Whale Watching
Sunshine Hawaii Memorial Service
Sea Services
Sea Services
Worlds Away Burials at Sea and Charters

Atlantic Submarines
Cruise Port Navigation
Entertainment & Travel Alternatives, Inc. (ETA)
ExpeditionTrips.com
Sail with the Stars
Super Cruise
SAMPO (FIN)
Templeton Tours, Inc. (TTI)
Theme Cruise Finder
Whodunit Productions

If I obtain new information, I will add it here.